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

30 files changed, 30 insertions, 30 deletions

diff --git a/docs/en/cowboy/2.2/guide/constraints/index.html b/docs/en/cowboy/2.2/guide/constraints/index.html
index 2ad79c56..24d4bea3 100644
--- a/docs/en/cowboy/2.2/guide/constraints/index.html
+++ b/docs/en/cowboy/2.2/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/2.2/guide/cookies/index.html b/docs/en/cowboy/2.2/guide/cookies/index.html
index a477c133..5a695cec 100644
--- a/docs/en/cowboy/2.2/guide/cookies/index.html
+++ b/docs/en/cowboy/2.2/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/2.2/guide/erlang_web/index.html b/docs/en/cowboy/2.2/guide/erlang_web/index.html
index 481fb08f..73526145 100644
--- a/docs/en/cowboy/2.2/guide/erlang_web/index.html
+++ b/docs/en/cowboy/2.2/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/2.2/guide/flow_diagram/index.html b/docs/en/cowboy/2.2/guide/flow_diagram/index.html
index c86d4cfc..58863082 100644
--- a/docs/en/cowboy/2.2/guide/flow_diagram/index.html
+++ b/docs/en/cowboy/2.2/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/2.2/guide/getting_started/index.html b/docs/en/cowboy/2.2/guide/getting_started/index.html
index af9b3286..192ad458 100644
--- a/docs/en/cowboy/2.2/guide/getting_started/index.html
+++ b/docs/en/cowboy/2.2/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/2.2/guide/handlers/index.html b/docs/en/cowboy/2.2/guide/handlers/index.html
index 8d7d5886..4ecfdc1b 100644
--- a/docs/en/cowboy/2.2/guide/handlers/index.html
+++ b/docs/en/cowboy/2.2/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/2.2/guide/index.html b/docs/en/cowboy/2.2/guide/index.html
index 93dc5779..d16e63c3 100644
--- a/docs/en/cowboy/2.2/guide/index.html
+++ b/docs/en/cowboy/2.2/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/2.2/guide/introduction/index.html b/docs/en/cowboy/2.2/guide/introduction/index.html
index 5942015a..ab1ea7f1 100644
--- a/docs/en/cowboy/2.2/guide/introduction/index.html
+++ b/docs/en/cowboy/2.2/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/2.2/guide/listeners/index.html b/docs/en/cowboy/2.2/guide/listeners/index.html
index 54590f75..75053f3f 100644
--- a/docs/en/cowboy/2.2/guide/listeners/index.html
+++ b/docs/en/cowboy/2.2/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/2.2/guide/loop_handlers/index.html b/docs/en/cowboy/2.2/guide/loop_handlers/index.html
index 7563c4c4..f7a00740 100644
--- a/docs/en/cowboy/2.2/guide/loop_handlers/index.html
+++ b/docs/en/cowboy/2.2/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/2.2/guide/middlewares/index.html b/docs/en/cowboy/2.2/guide/middlewares/index.html
index db304a8e..67a845a1 100644
--- a/docs/en/cowboy/2.2/guide/middlewares/index.html
+++ b/docs/en/cowboy/2.2/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/2.2/guide/migrating_from_1.0/index.html b/docs/en/cowboy/2.2/guide/migrating_from_1.0/index.html
index d8d5912d..caddcf8f 100644
--- a/docs/en/cowboy/2.2/guide/migrating_from_1.0/index.html
+++ b/docs/en/cowboy/2.2/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/2.2/guide/migrating_from_2.0/index.html b/docs/en/cowboy/2.2/guide/migrating_from_2.0/index.html
index 2dd1acdc..ef92511f 100644
--- a/docs/en/cowboy/2.2/guide/migrating_from_2.0/index.html
+++ b/docs/en/cowboy/2.2/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/2.2/guide/migrating_from_2.1/index.html b/docs/en/cowboy/2.2/guide/migrating_from_2.1/index.html
index 8ea1d11f..1931d1f9 100644
--- a/docs/en/cowboy/2.2/guide/migrating_from_2.1/index.html
+++ b/docs/en/cowboy/2.2/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/2.2/guide/migrating_from_2.2/index.html b/docs/en/cowboy/2.2/guide/migrating_from_2.2/index.html
index 373f301e..9cc3ecfb 100644
--- a/docs/en/cowboy/2.2/guide/migrating_from_2.2/index.html
+++ b/docs/en/cowboy/2.2/guide/migrating_from_2.2/index.html
@@ -10,7 +10,7 @@
     <title>Nine Nines: Changes since Cowboy 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/2.2/guide/modern_web/index.html b/docs/en/cowboy/2.2/guide/modern_web/index.html
index fed42ba5..f9c8dc91 100644
--- a/docs/en/cowboy/2.2/guide/modern_web/index.html
+++ b/docs/en/cowboy/2.2/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/2.2/guide/multipart/index.html b/docs/en/cowboy/2.2/guide/multipart/index.html
index 143e7779..da6585b7 100644
--- a/docs/en/cowboy/2.2/guide/multipart/index.html
+++ b/docs/en/cowboy/2.2/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/2.2/guide/req/index.html b/docs/en/cowboy/2.2/guide/req/index.html
index d1eed78e..dea4989e 100644
--- a/docs/en/cowboy/2.2/guide/req/index.html
+++ b/docs/en/cowboy/2.2/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/2.2/guide/req_body/index.html b/docs/en/cowboy/2.2/guide/req_body/index.html
index dffaaf24..f9ac06ac 100644
--- a/docs/en/cowboy/2.2/guide/req_body/index.html
+++ b/docs/en/cowboy/2.2/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/2.2/guide/resource_design/index.html b/docs/en/cowboy/2.2/guide/resource_design/index.html
index 9d62feae..d1e970e8 100644
--- a/docs/en/cowboy/2.2/guide/resource_design/index.html
+++ b/docs/en/cowboy/2.2/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/2.2/guide/resp/index.html b/docs/en/cowboy/2.2/guide/resp/index.html
index 86e1cc10..16a7bbef 100644
--- a/docs/en/cowboy/2.2/guide/resp/index.html
+++ b/docs/en/cowboy/2.2/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/2.2/guide/rest_flowcharts/index.html b/docs/en/cowboy/2.2/guide/rest_flowcharts/index.html
index afb727f7..fc49fa57 100644
--- a/docs/en/cowboy/2.2/guide/rest_flowcharts/index.html
+++ b/docs/en/cowboy/2.2/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/2.2/guide/rest_handlers/index.html b/docs/en/cowboy/2.2/guide/rest_handlers/index.html
index f97d4b15..0539148e 100644
--- a/docs/en/cowboy/2.2/guide/rest_handlers/index.html
+++ b/docs/en/cowboy/2.2/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/2.2/guide/rest_principles/index.html b/docs/en/cowboy/2.2/guide/rest_principles/index.html
index 84338abd..4dc9f464 100644
--- a/docs/en/cowboy/2.2/guide/rest_principles/index.html
+++ b/docs/en/cowboy/2.2/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/2.2/guide/routing/index.html b/docs/en/cowboy/2.2/guide/routing/index.html
index 77def64d..3536cc1d 100644
--- a/docs/en/cowboy/2.2/guide/routing/index.html
+++ b/docs/en/cowboy/2.2/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/2.2/guide/specs/index.html b/docs/en/cowboy/2.2/guide/specs/index.html
index a925479d..bfb25b4d 100644
--- a/docs/en/cowboy/2.2/guide/specs/index.html
+++ b/docs/en/cowboy/2.2/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/2.2/guide/static_files/index.html b/docs/en/cowboy/2.2/guide/static_files/index.html
index 51d20f0f..ccf2b501 100644
--- a/docs/en/cowboy/2.2/guide/static_files/index.html
+++ b/docs/en/cowboy/2.2/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/2.2/guide/streams/index.html b/docs/en/cowboy/2.2/guide/streams/index.html
index eb8154c6..6011cca0 100644
--- a/docs/en/cowboy/2.2/guide/streams/index.html
+++ b/docs/en/cowboy/2.2/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/2.2/guide/ws_handlers/index.html b/docs/en/cowboy/2.2/guide/ws_handlers/index.html
index 731bde3d..8bdb6943 100644
--- a/docs/en/cowboy/2.2/guide/ws_handlers/index.html
+++ b/docs/en/cowboy/2.2/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/2.2/guide/ws_protocol/index.html b/docs/en/cowboy/2.2/guide/ws_protocol/index.html
index 1bbe2038..44590c4a 100644
--- a/docs/en/cowboy/2.2/guide/ws_protocol/index.html
+++ b/docs/en/cowboy/2.2/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">