Fix CSS, I mistakenly removed more from it than I should have!

98 files changed, 98 insertions, 98 deletions

diff --git a/docs/en/cowboy/2.4/guide/constraints/index.html b/docs/en/cowboy/2.4/guide/constraints/index.html
index 80217dba..24e7d374 100644
--- a/docs/en/cowboy/2.4/guide/constraints/index.html
+++ b/docs/en/cowboy/2.4/guide/constraints/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: Constraints</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css?r=3" rel="stylesheet">
+    <link href="/css/99s.css?r=4" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.4/guide/cookies/index.html b/docs/en/cowboy/2.4/guide/cookies/index.html
index b5f5ac06..e1712cff 100644
--- a/docs/en/cowboy/2.4/guide/cookies/index.html
+++ b/docs/en/cowboy/2.4/guide/cookies/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: Using cookies</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css?r=3" rel="stylesheet">
+    <link href="/css/99s.css?r=4" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.4/guide/erlang_web/index.html b/docs/en/cowboy/2.4/guide/erlang_web/index.html
index 57c65c39..a3614e25 100644
--- a/docs/en/cowboy/2.4/guide/erlang_web/index.html
+++ b/docs/en/cowboy/2.4/guide/erlang_web/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: Erlang and the Web</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css?r=3" rel="stylesheet">
+    <link href="/css/99s.css?r=4" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.4/guide/flow_diagram/index.html b/docs/en/cowboy/2.4/guide/flow_diagram/index.html
index 95afd45a..80cfe23d 100644
--- a/docs/en/cowboy/2.4/guide/flow_diagram/index.html
+++ b/docs/en/cowboy/2.4/guide/flow_diagram/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: Flow diagram</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css?r=3" rel="stylesheet">
+    <link href="/css/99s.css?r=4" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.4/guide/getting_started/index.html b/docs/en/cowboy/2.4/guide/getting_started/index.html
index cb2d7c78..e3ff103d 100644
--- a/docs/en/cowboy/2.4/guide/getting_started/index.html
+++ b/docs/en/cowboy/2.4/guide/getting_started/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: Getting started</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css?r=3" rel="stylesheet">
+    <link href="/css/99s.css?r=4" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.4/guide/handlers/index.html b/docs/en/cowboy/2.4/guide/handlers/index.html
index fd67a00d..42d3a6d0 100644
--- a/docs/en/cowboy/2.4/guide/handlers/index.html
+++ b/docs/en/cowboy/2.4/guide/handlers/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: Handlers</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css?r=3" rel="stylesheet">
+    <link href="/css/99s.css?r=4" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.4/guide/index.html b/docs/en/cowboy/2.4/guide/index.html
index ac41a940..a3f7a8f3 100644
--- a/docs/en/cowboy/2.4/guide/index.html
+++ b/docs/en/cowboy/2.4/guide/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: Cowboy User Guide</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css?r=3" rel="stylesheet">
+    <link href="/css/99s.css?r=4" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.4/guide/introduction/index.html b/docs/en/cowboy/2.4/guide/introduction/index.html
index 9a7787b2..fca8521b 100644
--- a/docs/en/cowboy/2.4/guide/introduction/index.html
+++ b/docs/en/cowboy/2.4/guide/introduction/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: Introduction</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css?r=3" rel="stylesheet">
+    <link href="/css/99s.css?r=4" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.4/guide/listeners/index.html b/docs/en/cowboy/2.4/guide/listeners/index.html
index a1b4beb6..26ba5dd1 100644
--- a/docs/en/cowboy/2.4/guide/listeners/index.html
+++ b/docs/en/cowboy/2.4/guide/listeners/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: Listeners</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css?r=3" rel="stylesheet">
+    <link href="/css/99s.css?r=4" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.4/guide/loop_handlers/index.html b/docs/en/cowboy/2.4/guide/loop_handlers/index.html
index 4f5db262..93e0cd57 100644
--- a/docs/en/cowboy/2.4/guide/loop_handlers/index.html
+++ b/docs/en/cowboy/2.4/guide/loop_handlers/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: Loop handlers</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css?r=3" rel="stylesheet">
+    <link href="/css/99s.css?r=4" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.4/guide/middlewares/index.html b/docs/en/cowboy/2.4/guide/middlewares/index.html
index f8bdb4e4..0cc6f222 100644
--- a/docs/en/cowboy/2.4/guide/middlewares/index.html
+++ b/docs/en/cowboy/2.4/guide/middlewares/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: Middlewares</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css?r=3" rel="stylesheet">
+    <link href="/css/99s.css?r=4" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.4/guide/migrating_from_1.0/index.html b/docs/en/cowboy/2.4/guide/migrating_from_1.0/index.html
index 3edeaced..175b0a8d 100644
--- a/docs/en/cowboy/2.4/guide/migrating_from_1.0/index.html
+++ b/docs/en/cowboy/2.4/guide/migrating_from_1.0/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: Migrating from Cowboy 1.0 to 2.0</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css?r=3" rel="stylesheet">
+    <link href="/css/99s.css?r=4" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.4/guide/migrating_from_2.0/index.html b/docs/en/cowboy/2.4/guide/migrating_from_2.0/index.html
index d76f56b2..6895b9c7 100644
--- a/docs/en/cowboy/2.4/guide/migrating_from_2.0/index.html
+++ b/docs/en/cowboy/2.4/guide/migrating_from_2.0/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: Migrating from Cowboy 2.0 to 2.1</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css?r=3" rel="stylesheet">
+    <link href="/css/99s.css?r=4" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.4/guide/migrating_from_2.1/index.html b/docs/en/cowboy/2.4/guide/migrating_from_2.1/index.html
index f741625b..616bba65 100644
--- a/docs/en/cowboy/2.4/guide/migrating_from_2.1/index.html
+++ b/docs/en/cowboy/2.4/guide/migrating_from_2.1/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: Migrating from Cowboy 2.1 to 2.2</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css?r=3" rel="stylesheet">
+    <link href="/css/99s.css?r=4" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.4/guide/migrating_from_2.2/index.html b/docs/en/cowboy/2.4/guide/migrating_from_2.2/index.html
index 39892fd6..16954cb2 100644
--- a/docs/en/cowboy/2.4/guide/migrating_from_2.2/index.html
+++ b/docs/en/cowboy/2.4/guide/migrating_from_2.2/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: Migrating from Cowboy 2.2 to 2.3</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css?r=3" rel="stylesheet">
+    <link href="/css/99s.css?r=4" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.4/guide/migrating_from_2.3/index.html b/docs/en/cowboy/2.4/guide/migrating_from_2.3/index.html
index efa8cbb1..91222ae7 100644
--- a/docs/en/cowboy/2.4/guide/migrating_from_2.3/index.html
+++ b/docs/en/cowboy/2.4/guide/migrating_from_2.3/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: Migrating from Cowboy 2.3 to 2.4</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css?r=3" rel="stylesheet">
+    <link href="/css/99s.css?r=4" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.4/guide/modern_web/index.html b/docs/en/cowboy/2.4/guide/modern_web/index.html
index 67b2fca6..0fadaa78 100644
--- a/docs/en/cowboy/2.4/guide/modern_web/index.html
+++ b/docs/en/cowboy/2.4/guide/modern_web/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: The modern Web</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css?r=3" rel="stylesheet">
+    <link href="/css/99s.css?r=4" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.4/guide/multipart/index.html b/docs/en/cowboy/2.4/guide/multipart/index.html
index 63160cc0..ab20332f 100644
--- a/docs/en/cowboy/2.4/guide/multipart/index.html
+++ b/docs/en/cowboy/2.4/guide/multipart/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: Multipart requests</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css?r=3" rel="stylesheet">
+    <link href="/css/99s.css?r=4" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.4/guide/req/index.html b/docs/en/cowboy/2.4/guide/req/index.html
index ed5b7040..74ed66ef 100644
--- a/docs/en/cowboy/2.4/guide/req/index.html
+++ b/docs/en/cowboy/2.4/guide/req/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: The Req object</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css?r=3" rel="stylesheet">
+    <link href="/css/99s.css?r=4" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.4/guide/req_body/index.html b/docs/en/cowboy/2.4/guide/req_body/index.html
index a0bbafeb..60c8246d 100644
--- a/docs/en/cowboy/2.4/guide/req_body/index.html
+++ b/docs/en/cowboy/2.4/guide/req_body/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: Reading the request body</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css?r=3" rel="stylesheet">
+    <link href="/css/99s.css?r=4" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.4/guide/resource_design/index.html b/docs/en/cowboy/2.4/guide/resource_design/index.html
index 949ad935..fba3ce86 100644
--- a/docs/en/cowboy/2.4/guide/resource_design/index.html
+++ b/docs/en/cowboy/2.4/guide/resource_design/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: Designing a resource handler</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css?r=3" rel="stylesheet">
+    <link href="/css/99s.css?r=4" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.4/guide/resp/index.html b/docs/en/cowboy/2.4/guide/resp/index.html
index 190e43b0..7cec971a 100644
--- a/docs/en/cowboy/2.4/guide/resp/index.html
+++ b/docs/en/cowboy/2.4/guide/resp/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: Sending a response</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css?r=3" rel="stylesheet">
+    <link href="/css/99s.css?r=4" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.4/guide/rest_flowcharts/index.html b/docs/en/cowboy/2.4/guide/rest_flowcharts/index.html
index 6eaee7fe..4d31265b 100644
--- a/docs/en/cowboy/2.4/guide/rest_flowcharts/index.html
+++ b/docs/en/cowboy/2.4/guide/rest_flowcharts/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: REST flowcharts</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css?r=3" rel="stylesheet">
+    <link href="/css/99s.css?r=4" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.4/guide/rest_handlers/index.html b/docs/en/cowboy/2.4/guide/rest_handlers/index.html
index f054d390..e07000ba 100644
--- a/docs/en/cowboy/2.4/guide/rest_handlers/index.html
+++ b/docs/en/cowboy/2.4/guide/rest_handlers/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: REST handlers</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css?r=3" rel="stylesheet">
+    <link href="/css/99s.css?r=4" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.4/guide/rest_principles/index.html b/docs/en/cowboy/2.4/guide/rest_principles/index.html
index 62c0991a..a11b43aa 100644
--- a/docs/en/cowboy/2.4/guide/rest_principles/index.html
+++ b/docs/en/cowboy/2.4/guide/rest_principles/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: REST principles</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css?r=3" rel="stylesheet">
+    <link href="/css/99s.css?r=4" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.4/guide/routing/index.html b/docs/en/cowboy/2.4/guide/routing/index.html
index 0c0bd369..0cb1f0c2 100644
--- a/docs/en/cowboy/2.4/guide/routing/index.html
+++ b/docs/en/cowboy/2.4/guide/routing/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: Routing</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css?r=3" rel="stylesheet">
+    <link href="/css/99s.css?r=4" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.4/guide/specs/index.html b/docs/en/cowboy/2.4/guide/specs/index.html
index 65157fdd..748a1b22 100644
--- a/docs/en/cowboy/2.4/guide/specs/index.html
+++ b/docs/en/cowboy/2.4/guide/specs/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: HTTP and other specifications</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css?r=3" rel="stylesheet">
+    <link href="/css/99s.css?r=4" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.4/guide/static_files/index.html b/docs/en/cowboy/2.4/guide/static_files/index.html
index 7f83e814..498f70d2 100644
--- a/docs/en/cowboy/2.4/guide/static_files/index.html
+++ b/docs/en/cowboy/2.4/guide/static_files/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: Static files</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css?r=3" rel="stylesheet">
+    <link href="/css/99s.css?r=4" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.4/guide/streams/index.html b/docs/en/cowboy/2.4/guide/streams/index.html
index 25ed96fc..881a25ab 100644
--- a/docs/en/cowboy/2.4/guide/streams/index.html
+++ b/docs/en/cowboy/2.4/guide/streams/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: Streams</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css?r=3" rel="stylesheet">
+    <link href="/css/99s.css?r=4" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.4/guide/ws_handlers/index.html b/docs/en/cowboy/2.4/guide/ws_handlers/index.html
index 1f538d1f..906928aa 100644
--- a/docs/en/cowboy/2.4/guide/ws_handlers/index.html
+++ b/docs/en/cowboy/2.4/guide/ws_handlers/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: Websocket handlers</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css?r=3" rel="stylesheet">
+    <link href="/css/99s.css?r=4" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.4/guide/ws_protocol/index.html b/docs/en/cowboy/2.4/guide/ws_protocol/index.html
index 3cca89ec..227a0190 100644
--- a/docs/en/cowboy/2.4/guide/ws_protocol/index.html
+++ b/docs/en/cowboy/2.4/guide/ws_protocol/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: The Websocket protocol</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css?r=3" rel="stylesheet">
+    <link href="/css/99s.css?r=4" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.4/manual/cowboy.set_env/index.html b/docs/en/cowboy/2.4/manual/cowboy.set_env/index.html
index 59c6092d..dbadba65 100644
--- a/docs/en/cowboy/2.4/manual/cowboy.set_env/index.html
+++ b/docs/en/cowboy/2.4/manual/cowboy.set_env/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: cowboy:set_env(3)</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css?r=3" rel="stylesheet">
+    <link href="/css/99s.css?r=4" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.4/manual/cowboy.start_clear/index.html b/docs/en/cowboy/2.4/manual/cowboy.start_clear/index.html
index f685e45b..89cbe00f 100644
--- a/docs/en/cowboy/2.4/manual/cowboy.start_clear/index.html
+++ b/docs/en/cowboy/2.4/manual/cowboy.start_clear/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: cowboy:start_clear(3)</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css?r=3" rel="stylesheet">
+    <link href="/css/99s.css?r=4" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.4/manual/cowboy.start_tls/index.html b/docs/en/cowboy/2.4/manual/cowboy.start_tls/index.html
index 362728f2..9a918b7b 100644
--- a/docs/en/cowboy/2.4/manual/cowboy.start_tls/index.html
+++ b/docs/en/cowboy/2.4/manual/cowboy.start_tls/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: cowboy:start_tls(3)</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css?r=3" rel="stylesheet">
+    <link href="/css/99s.css?r=4" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.4/manual/cowboy.stop_listener/index.html b/docs/en/cowboy/2.4/manual/cowboy.stop_listener/index.html
index 203ebab3..28b94db0 100644
--- a/docs/en/cowboy/2.4/manual/cowboy.stop_listener/index.html
+++ b/docs/en/cowboy/2.4/manual/cowboy.stop_listener/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: cowboy:stop_listener(3)</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css?r=3" rel="stylesheet">
+    <link href="/css/99s.css?r=4" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.4/manual/cowboy/index.html b/docs/en/cowboy/2.4/manual/cowboy/index.html
index f1c95f2c..9dc045a9 100644
--- a/docs/en/cowboy/2.4/manual/cowboy/index.html
+++ b/docs/en/cowboy/2.4/manual/cowboy/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: cowboy(3)</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css?r=3" rel="stylesheet">
+    <link href="/css/99s.css?r=4" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.4/manual/cowboy_app/index.html b/docs/en/cowboy/2.4/manual/cowboy_app/index.html
index c061bb4d..5ce78c11 100644
--- a/docs/en/cowboy/2.4/manual/cowboy_app/index.html
+++ b/docs/en/cowboy/2.4/manual/cowboy_app/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: cowboy(7)</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css?r=3" rel="stylesheet">
+    <link href="/css/99s.css?r=4" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.4/manual/cowboy_constraints.int/index.html b/docs/en/cowboy/2.4/manual/cowboy_constraints.int/index.html
index c40362b0..24e1e222 100644
--- a/docs/en/cowboy/2.4/manual/cowboy_constraints.int/index.html
+++ b/docs/en/cowboy/2.4/manual/cowboy_constraints.int/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: cowboy_constraints:int(3)</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css?r=3" rel="stylesheet">
+    <link href="/css/99s.css?r=4" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.4/manual/cowboy_constraints.nonempty/index.html b/docs/en/cowboy/2.4/manual/cowboy_constraints.nonempty/index.html
index 3ee81659..9c445011 100644
--- a/docs/en/cowboy/2.4/manual/cowboy_constraints.nonempty/index.html
+++ b/docs/en/cowboy/2.4/manual/cowboy_constraints.nonempty/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: cowboy_constraints:nonempty(3)</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css?r=3" rel="stylesheet">
+    <link href="/css/99s.css?r=4" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.4/manual/cowboy_constraints/index.html b/docs/en/cowboy/2.4/manual/cowboy_constraints/index.html
index e80dc2dc..49d06122 100644
--- a/docs/en/cowboy/2.4/manual/cowboy_constraints/index.html
+++ b/docs/en/cowboy/2.4/manual/cowboy_constraints/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: cowboy_constraints(3)</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css?r=3" rel="stylesheet">
+    <link href="/css/99s.css?r=4" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.4/manual/cowboy_handler.terminate/index.html b/docs/en/cowboy/2.4/manual/cowboy_handler.terminate/index.html
index 81e4354a..472e88ec 100644
--- a/docs/en/cowboy/2.4/manual/cowboy_handler.terminate/index.html
+++ b/docs/en/cowboy/2.4/manual/cowboy_handler.terminate/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: cowboy_handler:terminate(3)</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css?r=3" rel="stylesheet">
+    <link href="/css/99s.css?r=4" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.4/manual/cowboy_handler/index.html b/docs/en/cowboy/2.4/manual/cowboy_handler/index.html
index 2af6599c..b58de508 100644
--- a/docs/en/cowboy/2.4/manual/cowboy_handler/index.html
+++ b/docs/en/cowboy/2.4/manual/cowboy_handler/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: cowboy_handler(3)</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css?r=3" rel="stylesheet">
+    <link href="/css/99s.css?r=4" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.4/manual/cowboy_http/index.html b/docs/en/cowboy/2.4/manual/cowboy_http/index.html
index 3f17801f..57cd4a9e 100644
--- a/docs/en/cowboy/2.4/manual/cowboy_http/index.html
+++ b/docs/en/cowboy/2.4/manual/cowboy_http/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: cowboy_http(3)</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css?r=3" rel="stylesheet">
+    <link href="/css/99s.css?r=4" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.4/manual/cowboy_http2/index.html b/docs/en/cowboy/2.4/manual/cowboy_http2/index.html
index 6db85ab6..4fcbba91 100644
--- a/docs/en/cowboy/2.4/manual/cowboy_http2/index.html
+++ b/docs/en/cowboy/2.4/manual/cowboy_http2/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: cowboy_http2(3)</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css?r=3" rel="stylesheet">
+    <link href="/css/99s.css?r=4" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.4/manual/cowboy_loop/index.html b/docs/en/cowboy/2.4/manual/cowboy_loop/index.html
index afb92ace..a5d3c4c1 100644
--- a/docs/en/cowboy/2.4/manual/cowboy_loop/index.html
+++ b/docs/en/cowboy/2.4/manual/cowboy_loop/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: cowboy_loop(3)</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css?r=3" rel="stylesheet">
+    <link href="/css/99s.css?r=4" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.4/manual/cowboy_middleware/index.html b/docs/en/cowboy/2.4/manual/cowboy_middleware/index.html
index 9c5bdedf..0ebc5547 100644
--- a/docs/en/cowboy/2.4/manual/cowboy_middleware/index.html
+++ b/docs/en/cowboy/2.4/manual/cowboy_middleware/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: cowboy_middleware(3)</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css?r=3" rel="stylesheet">
+    <link href="/css/99s.css?r=4" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.4/manual/cowboy_req.binding/index.html b/docs/en/cowboy/2.4/manual/cowboy_req.binding/index.html
index b7566f69..301c6cb4 100644
--- a/docs/en/cowboy/2.4/manual/cowboy_req.binding/index.html
+++ b/docs/en/cowboy/2.4/manual/cowboy_req.binding/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: cowboy_req:binding(3)</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css?r=3" rel="stylesheet">
+    <link href="/css/99s.css?r=4" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.4/manual/cowboy_req.bindings/index.html b/docs/en/cowboy/2.4/manual/cowboy_req.bindings/index.html
index 714374fe..9381d700 100644
--- a/docs/en/cowboy/2.4/manual/cowboy_req.bindings/index.html
+++ b/docs/en/cowboy/2.4/manual/cowboy_req.bindings/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: cowboy_req:bindings(3)</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css?r=3" rel="stylesheet">
+    <link href="/css/99s.css?r=4" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.4/manual/cowboy_req.body_length/index.html b/docs/en/cowboy/2.4/manual/cowboy_req.body_length/index.html
index 855b562a..5ab87a85 100644
--- a/docs/en/cowboy/2.4/manual/cowboy_req.body_length/index.html
+++ b/docs/en/cowboy/2.4/manual/cowboy_req.body_length/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: cowboy_req:body_length(3)</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css?r=3" rel="stylesheet">
+    <link href="/css/99s.css?r=4" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.4/manual/cowboy_req.cert/index.html b/docs/en/cowboy/2.4/manual/cowboy_req.cert/index.html
index 09b4e789..74dcaa7c 100644
--- a/docs/en/cowboy/2.4/manual/cowboy_req.cert/index.html
+++ b/docs/en/cowboy/2.4/manual/cowboy_req.cert/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: cowboy_req:cert(3)</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css?r=3" rel="stylesheet">
+    <link href="/css/99s.css?r=4" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.4/manual/cowboy_req.delete_resp_header/index.html b/docs/en/cowboy/2.4/manual/cowboy_req.delete_resp_header/index.html
index f108b760..aba0e4ed 100644
--- a/docs/en/cowboy/2.4/manual/cowboy_req.delete_resp_header/index.html
+++ b/docs/en/cowboy/2.4/manual/cowboy_req.delete_resp_header/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: cowboy_req:delete_resp_header(3)</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css?r=3" rel="stylesheet">
+    <link href="/css/99s.css?r=4" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.4/manual/cowboy_req.has_body/index.html b/docs/en/cowboy/2.4/manual/cowboy_req.has_body/index.html
index 101a31ea..89dfbe08 100644
--- a/docs/en/cowboy/2.4/manual/cowboy_req.has_body/index.html
+++ b/docs/en/cowboy/2.4/manual/cowboy_req.has_body/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: cowboy_req:has_body(3)</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css?r=3" rel="stylesheet">
+    <link href="/css/99s.css?r=4" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.4/manual/cowboy_req.has_resp_body/index.html b/docs/en/cowboy/2.4/manual/cowboy_req.has_resp_body/index.html
index 80f4a7b9..d827a296 100644
--- a/docs/en/cowboy/2.4/manual/cowboy_req.has_resp_body/index.html
+++ b/docs/en/cowboy/2.4/manual/cowboy_req.has_resp_body/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: cowboy_req:has_resp_body(3)</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css?r=3" rel="stylesheet">
+    <link href="/css/99s.css?r=4" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.4/manual/cowboy_req.has_resp_header/index.html b/docs/en/cowboy/2.4/manual/cowboy_req.has_resp_header/index.html
index 43a9442c..522114ec 100644
--- a/docs/en/cowboy/2.4/manual/cowboy_req.has_resp_header/index.html
+++ b/docs/en/cowboy/2.4/manual/cowboy_req.has_resp_header/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: cowboy_req:has_resp_header(3)</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css?r=3" rel="stylesheet">
+    <link href="/css/99s.css?r=4" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.4/manual/cowboy_req.header/index.html b/docs/en/cowboy/2.4/manual/cowboy_req.header/index.html
index 7e529aa8..2fa6720b 100644
--- a/docs/en/cowboy/2.4/manual/cowboy_req.header/index.html
+++ b/docs/en/cowboy/2.4/manual/cowboy_req.header/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: cowboy_req:header(3)</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css?r=3" rel="stylesheet">
+    <link href="/css/99s.css?r=4" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.4/manual/cowboy_req.headers/index.html b/docs/en/cowboy/2.4/manual/cowboy_req.headers/index.html
index 4d3614fd..5b4e446c 100644
--- a/docs/en/cowboy/2.4/manual/cowboy_req.headers/index.html
+++ b/docs/en/cowboy/2.4/manual/cowboy_req.headers/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: cowboy_req:headers(3)</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css?r=3" rel="stylesheet">
+    <link href="/css/99s.css?r=4" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.4/manual/cowboy_req.host/index.html b/docs/en/cowboy/2.4/manual/cowboy_req.host/index.html
index f9b11d43..7874f0ae 100644
--- a/docs/en/cowboy/2.4/manual/cowboy_req.host/index.html
+++ b/docs/en/cowboy/2.4/manual/cowboy_req.host/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: cowboy_req:host(3)</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css?r=3" rel="stylesheet">
+    <link href="/css/99s.css?r=4" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.4/manual/cowboy_req.host_info/index.html b/docs/en/cowboy/2.4/manual/cowboy_req.host_info/index.html
index eba70c75..d7d523b2 100644
--- a/docs/en/cowboy/2.4/manual/cowboy_req.host_info/index.html
+++ b/docs/en/cowboy/2.4/manual/cowboy_req.host_info/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: cowboy_req:host_info(3)</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css?r=3" rel="stylesheet">
+    <link href="/css/99s.css?r=4" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.4/manual/cowboy_req.inform/index.html b/docs/en/cowboy/2.4/manual/cowboy_req.inform/index.html
index f7f9127c..1dab9baa 100644
--- a/docs/en/cowboy/2.4/manual/cowboy_req.inform/index.html
+++ b/docs/en/cowboy/2.4/manual/cowboy_req.inform/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: cowboy_req:inform(3)</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css?r=3" rel="stylesheet">
+    <link href="/css/99s.css?r=4" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.4/manual/cowboy_req.match_cookies/index.html b/docs/en/cowboy/2.4/manual/cowboy_req.match_cookies/index.html
index 57501669..e390706e 100644
--- a/docs/en/cowboy/2.4/manual/cowboy_req.match_cookies/index.html
+++ b/docs/en/cowboy/2.4/manual/cowboy_req.match_cookies/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: cowboy_req:match_cookies(3)</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css?r=3" rel="stylesheet">
+    <link href="/css/99s.css?r=4" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.4/manual/cowboy_req.match_qs/index.html b/docs/en/cowboy/2.4/manual/cowboy_req.match_qs/index.html
index bc6604ec..45d3a371 100644
--- a/docs/en/cowboy/2.4/manual/cowboy_req.match_qs/index.html
+++ b/docs/en/cowboy/2.4/manual/cowboy_req.match_qs/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: cowboy_req:match_qs(3)</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css?r=3" rel="stylesheet">
+    <link href="/css/99s.css?r=4" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.4/manual/cowboy_req.method/index.html b/docs/en/cowboy/2.4/manual/cowboy_req.method/index.html
index a1b64354..ccde61d1 100644
--- a/docs/en/cowboy/2.4/manual/cowboy_req.method/index.html
+++ b/docs/en/cowboy/2.4/manual/cowboy_req.method/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: cowboy_req:method(3)</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css?r=3" rel="stylesheet">
+    <link href="/css/99s.css?r=4" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.4/manual/cowboy_req.parse_cookies/index.html b/docs/en/cowboy/2.4/manual/cowboy_req.parse_cookies/index.html
index f8353d6b..137210c5 100644
--- a/docs/en/cowboy/2.4/manual/cowboy_req.parse_cookies/index.html
+++ b/docs/en/cowboy/2.4/manual/cowboy_req.parse_cookies/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: cowboy_req:parse_cookies(3)</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css?r=3" rel="stylesheet">
+    <link href="/css/99s.css?r=4" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.4/manual/cowboy_req.parse_header/index.html b/docs/en/cowboy/2.4/manual/cowboy_req.parse_header/index.html
index 21026237..b146b75b 100644
--- a/docs/en/cowboy/2.4/manual/cowboy_req.parse_header/index.html
+++ b/docs/en/cowboy/2.4/manual/cowboy_req.parse_header/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: cowboy_req:parse_header(3)</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css?r=3" rel="stylesheet">
+    <link href="/css/99s.css?r=4" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.4/manual/cowboy_req.parse_qs/index.html b/docs/en/cowboy/2.4/manual/cowboy_req.parse_qs/index.html
index 078e3af3..c7d07b44 100644
--- a/docs/en/cowboy/2.4/manual/cowboy_req.parse_qs/index.html
+++ b/docs/en/cowboy/2.4/manual/cowboy_req.parse_qs/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: cowboy_req:parse_qs(3)</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css?r=3" rel="stylesheet">
+    <link href="/css/99s.css?r=4" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.4/manual/cowboy_req.path/index.html b/docs/en/cowboy/2.4/manual/cowboy_req.path/index.html
index 07cfafd3..c04c6de7 100644
--- a/docs/en/cowboy/2.4/manual/cowboy_req.path/index.html
+++ b/docs/en/cowboy/2.4/manual/cowboy_req.path/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: cowboy_req:path(3)</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css?r=3" rel="stylesheet">
+    <link href="/css/99s.css?r=4" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.4/manual/cowboy_req.path_info/index.html b/docs/en/cowboy/2.4/manual/cowboy_req.path_info/index.html
index abe2ad2e..53078f8b 100644
--- a/docs/en/cowboy/2.4/manual/cowboy_req.path_info/index.html
+++ b/docs/en/cowboy/2.4/manual/cowboy_req.path_info/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: cowboy_req:path_info(3)</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css?r=3" rel="stylesheet">
+    <link href="/css/99s.css?r=4" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.4/manual/cowboy_req.peer/index.html b/docs/en/cowboy/2.4/manual/cowboy_req.peer/index.html
index ec42503c..db4c7e0a 100644
--- a/docs/en/cowboy/2.4/manual/cowboy_req.peer/index.html
+++ b/docs/en/cowboy/2.4/manual/cowboy_req.peer/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: cowboy_req:peer(3)</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css?r=3" rel="stylesheet">
+    <link href="/css/99s.css?r=4" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.4/manual/cowboy_req.port/index.html b/docs/en/cowboy/2.4/manual/cowboy_req.port/index.html
index be1bdc41..0856cd88 100644
--- a/docs/en/cowboy/2.4/manual/cowboy_req.port/index.html
+++ b/docs/en/cowboy/2.4/manual/cowboy_req.port/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: cowboy_req:port(3)</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css?r=3" rel="stylesheet">
+    <link href="/css/99s.css?r=4" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.4/manual/cowboy_req.push/index.html b/docs/en/cowboy/2.4/manual/cowboy_req.push/index.html
index 838f8a6f..1efa8cc0 100644
--- a/docs/en/cowboy/2.4/manual/cowboy_req.push/index.html
+++ b/docs/en/cowboy/2.4/manual/cowboy_req.push/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: cowboy_req:push(3)</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css?r=3" rel="stylesheet">
+    <link href="/css/99s.css?r=4" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.4/manual/cowboy_req.qs/index.html b/docs/en/cowboy/2.4/manual/cowboy_req.qs/index.html
index 5b999d42..56d1a9e3 100644
--- a/docs/en/cowboy/2.4/manual/cowboy_req.qs/index.html
+++ b/docs/en/cowboy/2.4/manual/cowboy_req.qs/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: cowboy_req:qs(3)</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css?r=3" rel="stylesheet">
+    <link href="/css/99s.css?r=4" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.4/manual/cowboy_req.read_body/index.html b/docs/en/cowboy/2.4/manual/cowboy_req.read_body/index.html
index f57cd03d..702e98c7 100644
--- a/docs/en/cowboy/2.4/manual/cowboy_req.read_body/index.html
+++ b/docs/en/cowboy/2.4/manual/cowboy_req.read_body/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: cowboy_req:read_body(3)</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css?r=3" rel="stylesheet">
+    <link href="/css/99s.css?r=4" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.4/manual/cowboy_req.read_part/index.html b/docs/en/cowboy/2.4/manual/cowboy_req.read_part/index.html
index d2751031..dcd4652d 100644
--- a/docs/en/cowboy/2.4/manual/cowboy_req.read_part/index.html
+++ b/docs/en/cowboy/2.4/manual/cowboy_req.read_part/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: cowboy_req:read_part(3)</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css?r=3" rel="stylesheet">
+    <link href="/css/99s.css?r=4" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.4/manual/cowboy_req.read_part_body/index.html b/docs/en/cowboy/2.4/manual/cowboy_req.read_part_body/index.html
index 13109ad1..d81c4ef6 100644
--- a/docs/en/cowboy/2.4/manual/cowboy_req.read_part_body/index.html
+++ b/docs/en/cowboy/2.4/manual/cowboy_req.read_part_body/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: cowboy_req:read_part_body(3)</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css?r=3" rel="stylesheet">
+    <link href="/css/99s.css?r=4" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.4/manual/cowboy_req.read_urlencoded_body/index.html b/docs/en/cowboy/2.4/manual/cowboy_req.read_urlencoded_body/index.html
index 2ea4b36e..ad3e9e9a 100644
--- a/docs/en/cowboy/2.4/manual/cowboy_req.read_urlencoded_body/index.html
+++ b/docs/en/cowboy/2.4/manual/cowboy_req.read_urlencoded_body/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: cowboy_req:read_urlencoded_body(3)</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css?r=3" rel="stylesheet">
+    <link href="/css/99s.css?r=4" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.4/manual/cowboy_req.reply/index.html b/docs/en/cowboy/2.4/manual/cowboy_req.reply/index.html
index 98dd93b6..27585c4f 100644
--- a/docs/en/cowboy/2.4/manual/cowboy_req.reply/index.html
+++ b/docs/en/cowboy/2.4/manual/cowboy_req.reply/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: cowboy_req:reply(3)</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css?r=3" rel="stylesheet">
+    <link href="/css/99s.css?r=4" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.4/manual/cowboy_req.resp_header/index.html b/docs/en/cowboy/2.4/manual/cowboy_req.resp_header/index.html
index 8683ccc3..e66f553d 100644
--- a/docs/en/cowboy/2.4/manual/cowboy_req.resp_header/index.html
+++ b/docs/en/cowboy/2.4/manual/cowboy_req.resp_header/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: cowboy_req:resp_header(3)</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css?r=3" rel="stylesheet">
+    <link href="/css/99s.css?r=4" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.4/manual/cowboy_req.resp_headers/index.html b/docs/en/cowboy/2.4/manual/cowboy_req.resp_headers/index.html
index eafaf3b4..bfc127fc 100644
--- a/docs/en/cowboy/2.4/manual/cowboy_req.resp_headers/index.html
+++ b/docs/en/cowboy/2.4/manual/cowboy_req.resp_headers/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: cowboy_req:resp_headers(3)</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css?r=3" rel="stylesheet">
+    <link href="/css/99s.css?r=4" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.4/manual/cowboy_req.scheme/index.html b/docs/en/cowboy/2.4/manual/cowboy_req.scheme/index.html
index 9ea2e105..604b2ad6 100644
--- a/docs/en/cowboy/2.4/manual/cowboy_req.scheme/index.html
+++ b/docs/en/cowboy/2.4/manual/cowboy_req.scheme/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: cowboy_req:scheme(3)</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css?r=3" rel="stylesheet">
+    <link href="/css/99s.css?r=4" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.4/manual/cowboy_req.set_resp_body/index.html b/docs/en/cowboy/2.4/manual/cowboy_req.set_resp_body/index.html
index 3a722984..432dab67 100644
--- a/docs/en/cowboy/2.4/manual/cowboy_req.set_resp_body/index.html
+++ b/docs/en/cowboy/2.4/manual/cowboy_req.set_resp_body/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: cowboy_req:set_resp_body(3)</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css?r=3" rel="stylesheet">
+    <link href="/css/99s.css?r=4" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.4/manual/cowboy_req.set_resp_cookie/index.html b/docs/en/cowboy/2.4/manual/cowboy_req.set_resp_cookie/index.html
index be3d8bbe..35d87b73 100644
--- a/docs/en/cowboy/2.4/manual/cowboy_req.set_resp_cookie/index.html
+++ b/docs/en/cowboy/2.4/manual/cowboy_req.set_resp_cookie/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: cowboy_req:set_resp_cookie(3)</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css?r=3" rel="stylesheet">
+    <link href="/css/99s.css?r=4" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.4/manual/cowboy_req.set_resp_header/index.html b/docs/en/cowboy/2.4/manual/cowboy_req.set_resp_header/index.html
index 9354d254..0aaa407e 100644
--- a/docs/en/cowboy/2.4/manual/cowboy_req.set_resp_header/index.html
+++ b/docs/en/cowboy/2.4/manual/cowboy_req.set_resp_header/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: cowboy_req:set_resp_header(3)</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css?r=3" rel="stylesheet">
+    <link href="/css/99s.css?r=4" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.4/manual/cowboy_req.set_resp_headers/index.html b/docs/en/cowboy/2.4/manual/cowboy_req.set_resp_headers/index.html
index e8814df3..088b3881 100644
--- a/docs/en/cowboy/2.4/manual/cowboy_req.set_resp_headers/index.html
+++ b/docs/en/cowboy/2.4/manual/cowboy_req.set_resp_headers/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: cowboy_req:set_resp_headers(3)</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css?r=3" rel="stylesheet">
+    <link href="/css/99s.css?r=4" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.4/manual/cowboy_req.sock/index.html b/docs/en/cowboy/2.4/manual/cowboy_req.sock/index.html
index f60107c0..ca79cb5f 100644
--- a/docs/en/cowboy/2.4/manual/cowboy_req.sock/index.html
+++ b/docs/en/cowboy/2.4/manual/cowboy_req.sock/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: cowboy_req:sock(3)</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css?r=3" rel="stylesheet">
+    <link href="/css/99s.css?r=4" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.4/manual/cowboy_req.stream_body/index.html b/docs/en/cowboy/2.4/manual/cowboy_req.stream_body/index.html
index c7429bfc..ee13ff71 100644
--- a/docs/en/cowboy/2.4/manual/cowboy_req.stream_body/index.html
+++ b/docs/en/cowboy/2.4/manual/cowboy_req.stream_body/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: cowboy_req:stream_body(3)</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css?r=3" rel="stylesheet">
+    <link href="/css/99s.css?r=4" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.4/manual/cowboy_req.stream_reply/index.html b/docs/en/cowboy/2.4/manual/cowboy_req.stream_reply/index.html
index 8a1b8234..b4d16736 100644
--- a/docs/en/cowboy/2.4/manual/cowboy_req.stream_reply/index.html
+++ b/docs/en/cowboy/2.4/manual/cowboy_req.stream_reply/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: cowboy_req:stream_reply(3)</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css?r=3" rel="stylesheet">
+    <link href="/css/99s.css?r=4" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.4/manual/cowboy_req.stream_trailers/index.html b/docs/en/cowboy/2.4/manual/cowboy_req.stream_trailers/index.html
index fbab6951..42096478 100644
--- a/docs/en/cowboy/2.4/manual/cowboy_req.stream_trailers/index.html
+++ b/docs/en/cowboy/2.4/manual/cowboy_req.stream_trailers/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: cowboy_req:stream_trailers(3)</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css?r=3" rel="stylesheet">
+    <link href="/css/99s.css?r=4" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.4/manual/cowboy_req.uri/index.html b/docs/en/cowboy/2.4/manual/cowboy_req.uri/index.html
index fbcc308a..d26d929f 100644
--- a/docs/en/cowboy/2.4/manual/cowboy_req.uri/index.html
+++ b/docs/en/cowboy/2.4/manual/cowboy_req.uri/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: cowboy_req:uri(3)</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css?r=3" rel="stylesheet">
+    <link href="/css/99s.css?r=4" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.4/manual/cowboy_req.version/index.html b/docs/en/cowboy/2.4/manual/cowboy_req.version/index.html
index 47c7ec9b..eba3d8b8 100644
--- a/docs/en/cowboy/2.4/manual/cowboy_req.version/index.html
+++ b/docs/en/cowboy/2.4/manual/cowboy_req.version/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: cowboy_req:version(3)</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css?r=3" rel="stylesheet">
+    <link href="/css/99s.css?r=4" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.4/manual/cowboy_req/index.html b/docs/en/cowboy/2.4/manual/cowboy_req/index.html
index bf0741b7..44a1b35f 100644
--- a/docs/en/cowboy/2.4/manual/cowboy_req/index.html
+++ b/docs/en/cowboy/2.4/manual/cowboy_req/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: cowboy_req(3)</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css?r=3" rel="stylesheet">
+    <link href="/css/99s.css?r=4" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.4/manual/cowboy_rest/index.html b/docs/en/cowboy/2.4/manual/cowboy_rest/index.html
index b1ea1804..eb9c232f 100644
--- a/docs/en/cowboy/2.4/manual/cowboy_rest/index.html
+++ b/docs/en/cowboy/2.4/manual/cowboy_rest/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: cowboy_rest(3)</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css?r=3" rel="stylesheet">
+    <link href="/css/99s.css?r=4" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.4/manual/cowboy_router.compile/index.html b/docs/en/cowboy/2.4/manual/cowboy_router.compile/index.html
index 55896e81..e0c8dd06 100644
--- a/docs/en/cowboy/2.4/manual/cowboy_router.compile/index.html
+++ b/docs/en/cowboy/2.4/manual/cowboy_router.compile/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: cowboy_router:compile(3)</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css?r=3" rel="stylesheet">
+    <link href="/css/99s.css?r=4" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.4/manual/cowboy_router/index.html b/docs/en/cowboy/2.4/manual/cowboy_router/index.html
index a7654f52..432178b5 100644
--- a/docs/en/cowboy/2.4/manual/cowboy_router/index.html
+++ b/docs/en/cowboy/2.4/manual/cowboy_router/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: cowboy_router(3)</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css?r=3" rel="stylesheet">
+    <link href="/css/99s.css?r=4" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.4/manual/cowboy_static/index.html b/docs/en/cowboy/2.4/manual/cowboy_static/index.html
index 0497a870..30219b10 100644
--- a/docs/en/cowboy/2.4/manual/cowboy_static/index.html
+++ b/docs/en/cowboy/2.4/manual/cowboy_static/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: cowboy_static(3)</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css?r=3" rel="stylesheet">
+    <link href="/css/99s.css?r=4" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.4/manual/cowboy_stream/index.html b/docs/en/cowboy/2.4/manual/cowboy_stream/index.html
index 8cc4ae26..7eeacb72 100644
--- a/docs/en/cowboy/2.4/manual/cowboy_stream/index.html
+++ b/docs/en/cowboy/2.4/manual/cowboy_stream/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: cowboy_stream(3)</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css?r=3" rel="stylesheet">
+    <link href="/css/99s.css?r=4" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.4/manual/cowboy_websocket/index.html b/docs/en/cowboy/2.4/manual/cowboy_websocket/index.html
index 807b7f1b..62968d24 100644
--- a/docs/en/cowboy/2.4/manual/cowboy_websocket/index.html
+++ b/docs/en/cowboy/2.4/manual/cowboy_websocket/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: cowboy_websocket(3)</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css?r=3" rel="stylesheet">
+    <link href="/css/99s.css?r=4" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.4/manual/http_status_codes/index.html b/docs/en/cowboy/2.4/manual/http_status_codes/index.html
index 7e31b191..ca89e16d 100644
--- a/docs/en/cowboy/2.4/manual/http_status_codes/index.html
+++ b/docs/en/cowboy/2.4/manual/http_status_codes/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: HTTP status codes(7)</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css?r=3" rel="stylesheet">
+    <link href="/css/99s.css?r=4" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.4/manual/index.html b/docs/en/cowboy/2.4/manual/index.html
index 0bc25245..f37d4112 100644
--- a/docs/en/cowboy/2.4/manual/index.html
+++ b/docs/en/cowboy/2.4/manual/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: Cowboy Function Reference</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css?r=3" rel="stylesheet">
+    <link href="/css/99s.css?r=4" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">