diff --git a/guides/code/getting_started/public/404.html b/guides/code/getting_started/public/404.html
index ae7b8649ae4b828d15e24a6c977101983d623a67..3d287b135d32895e154d991657f95daa91cb2003 100644
--- a/guides/code/getting_started/public/404.html
+++ b/guides/code/getting_started/public/404.html
@@ -2,16 +2,15 @@
 <html>
 <head>
   <title>The page you were looking for doesn't exist (404)</title>
- <style>
-  body 
-  {
-    background-color: #efefef;
+  <style>
+  body {
+    background-color: #EFEFEF;
     color: #2E2F30;
     text-align: center;
-    font-family: arial,sans-serif;
+    font-family: arial, sans-serif;
   }
-  div.dialog
-  {
+
+  div.dialog {
     width: 25em;
     margin: 4em auto 0 auto;
     border: 1px solid #CCC;
@@ -24,17 +23,18 @@
     background-color: white;
     padding: 7px 4em 0 4em;
   }
-  h1{
+
+  h1 {
     font-size: 100%;
     color: #730E15;
     line-height: 1.5em;
   }
-  body>p
-  {
-    width: 33em; 
+
+  body > p {
+    width: 33em;
     margin: 0 auto 1em;
     padding: 1em 0;
-    background-color: #f7f7f7;
+    background-color: #F7F7F7;
     border: 1px solid #CCC;
     border-right-color: #999;
     border-bottom-color: #999;
@@ -42,7 +42,7 @@
     border-bottom-right-radius: 4px;
     border-top-color: #DADADA;
     color: #666;
-    box-shadow: 0 3px 8px rgba(50,50,50,0.17);
+    box-shadow: 0 3px 8px rgba(50, 50, 50, 0.17);
   }
   </style>
 </head>
diff --git a/guides/code/getting_started/public/422.html b/guides/code/getting_started/public/422.html
index 0b64eb4ae9211f5b24317a57483202f2b37eece5..3b946bf4a49f43a42573cf4b6332897f7d4c936f 100644
--- a/guides/code/getting_started/public/422.html
+++ b/guides/code/getting_started/public/422.html
@@ -2,16 +2,15 @@
 <html>
 <head>
   <title>The change you wanted was rejected (422)</title>
- <style>
-  body
-  {
-    background-color: #efefef;
+  <style>
+  body {
+    background-color: #EFEFEF;
     color: #2E2F30;
     text-align: center;
-    font-family: arial,sans-serif;
+    font-family: arial, sans-serif;
   }
-  div.dialog
-  {
+
+  div.dialog {
     width: 25em;
     margin: 4em auto 0 auto;
     border: 1px solid #CCC;
@@ -24,17 +23,18 @@
     background-color: white;
     padding: 7px 4em 0 4em;
   }
-  h1{
+
+  h1 {
     font-size: 100%;
     color: #730E15;
     line-height: 1.5em;
   }
-  body>p
-  {
+
+  body > p {
     width: 33em;
     margin: 0 auto 1em;
     padding: 1em 0;
-    background-color: #f7f7f7;
+    background-color: #F7F7F7;
     border: 1px solid #CCC;
     border-right-color: #999;
     border-bottom-color: #999;
@@ -42,7 +42,7 @@
     border-bottom-right-radius: 4px;
     border-top-color: #DADADA;
     color: #666;
-    box-shadow: 0 3px 8px rgba(50,50,50,0.17);
+    box-shadow: 0 3px 8px rgba(50, 50, 50, 0.17);
   }
   </style>
 </head>
diff --git a/guides/code/getting_started/public/500.html b/guides/code/getting_started/public/500.html
index 9641851e7447180ce212033742621aca508e1710..ccc4ad56566754e16a8bf52ae2dff651bafacc3a 100644
--- a/guides/code/getting_started/public/500.html
+++ b/guides/code/getting_started/public/500.html
@@ -2,16 +2,15 @@
 <html>
 <head>
   <title>We're sorry, but something went wrong (500)</title>
- <style>
-  body 
-  {
-    background-color: #efefef;
+  <style>
+  body {
+    background-color: #EFEFEF;
     color: #2E2F30;
     text-align: center;
-    font-family: arial,sans-serif;
+    font-family: arial, sans-serif;
   }
-  div.dialog
-  {
+
+  div.dialog {
     width: 25em;
     margin: 4em auto 0 auto;
     border: 1px solid #CCC;
@@ -24,17 +23,18 @@
     background-color: white;
     padding: 7px 4em 0 4em;
   }
-  h1{
+
+  h1 {
     font-size: 100%;
     color: #730E15;
     line-height: 1.5em;
   }
-  body>p
-  {
-    width: 33em; 
+
+  body > p {
+    width: 33em;
     margin: 0 auto 1em;
     padding: 1em 0;
-    background-color: #f7f7f7;
+    background-color: #F7F7F7;
     border: 1px solid #CCC;
     border-right-color: #999;
     border-bottom-color: #999;
@@ -42,7 +42,7 @@
     border-bottom-right-radius: 4px;
     border-top-color: #DADADA;
     color: #666;
-    box-shadow: 0 3px 8px rgba(50,50,50,0.17);
+    box-shadow: 0 3px 8px rgba(50, 50, 50, 0.17);
   }
   </style>
 </head>
diff --git a/railties/lib/rails/generators/rails/app/templates/public/404.html b/railties/lib/rails/generators/rails/app/templates/public/404.html
index 0ee82d3722836cf16308431db5f8dfb25c5b2c5a..a0daa0c1567b55d8de2b4d7a3bc010f58c047eab 100644
--- a/railties/lib/rails/generators/rails/app/templates/public/404.html
+++ b/railties/lib/rails/generators/rails/app/templates/public/404.html
@@ -2,16 +2,15 @@
 <html>
 <head>
   <title>The page you were looking for doesn't exist (404)</title>
- <style>
-  body 
-  {
-    background-color: #efefef;
+  <style>
+  body {
+    background-color: #EFEFEF;
     color: #2E2F30;
     text-align: center;
-    font-family: arial,sans-serif;
+    font-family: arial, sans-serif;
   }
-  div.dialog
-  {
+
+  div.dialog {
     width: 25em;
     margin: 4em auto 0 auto;
     border: 1px solid #CCC;
@@ -24,17 +23,18 @@
     background-color: white;
     padding: 7px 4em 0 4em;
   }
-  h1{
+
+  h1 {
     font-size: 100%;
     color: #730E15;
     line-height: 1.5em;
   }
-  body>p
-  {
-    width: 33em; 
+
+  body > p {
+    width: 33em;
     margin: 0 auto 1em;
     padding: 1em 0;
-    background-color: #f7f7f7;
+    background-color: #F7F7F7;
     border: 1px solid #CCC;
     border-right-color: #999;
     border-bottom-color: #999;
@@ -42,7 +42,7 @@
     border-bottom-right-radius: 4px;
     border-top-color: #DADADA;
     color: #666;
-    box-shadow:0 3px 8px rgba(50,50,50,0.17);
+    box-shadow:0 3px 8px rgba(50, 50, 50, 0.17);
   }
   </style>
 </head>
diff --git a/railties/lib/rails/generators/rails/app/templates/public/422.html b/railties/lib/rails/generators/rails/app/templates/public/422.html
index f1f32b83ae3d7413761eff5aafe6a190df0f4b94..fbb4b84d725dde9be7d2b352aded0bdf85c4c081 100644
--- a/railties/lib/rails/generators/rails/app/templates/public/422.html
+++ b/railties/lib/rails/generators/rails/app/templates/public/422.html
@@ -2,16 +2,15 @@
 <html>
 <head>
   <title>The change you wanted was rejected (422)</title>
- <style>
-  body
-  {
-    background-color: #efefef;
+  <style>
+  body {
+    background-color: #EFEFEF;
     color: #2E2F30;
     text-align: center;
-    font-family: arial,sans-serif;
+    font-family: arial, sans-serif;
   }
-  div.dialog
-  {
+
+  div.dialog {
     width: 25em;
     margin: 4em auto 0 auto;
     border: 1px solid #CCC;
@@ -24,17 +23,18 @@
     background-color: white;
     padding: 7px 4em 0 4em;
   }
-  h1{
+
+  h1 {
     font-size: 100%;
     color: #730E15;
     line-height: 1.5em;
   }
-  body>p
-  {
+
+  body > p {
     width: 33em;
     margin: 0 auto 1em;
     padding: 1em 0;
-    background-color: #f7f7f7;
+    background-color: #F7F7F7;
     border: 1px solid #CCC;
     border-right-color: #999;
     border-bottom-color: #999;
@@ -42,7 +42,7 @@
     border-bottom-right-radius: 4px;
     border-top-color: #DADADA;
     color: #666;
-    box-shadow:0 3px 8px rgba(50,50,50,0.17);
+    box-shadow:0 3px 8px rgba(50, 50, 50, 0.17);
   }
   </style>
 </head>
diff --git a/railties/lib/rails/generators/rails/app/templates/public/500.html b/railties/lib/rails/generators/rails/app/templates/public/500.html
index 9417de0cc0941013b6a2f44eca591072a7ff1efd..e9052d35bfb6d30065b206fc43f4200a04d5281b 100644
--- a/railties/lib/rails/generators/rails/app/templates/public/500.html
+++ b/railties/lib/rails/generators/rails/app/templates/public/500.html
@@ -2,16 +2,15 @@
 <html>
 <head>
   <title>We're sorry, but something went wrong (500)</title>
- <style>
-  body 
-  {
-    background-color: #efefef;
+  <style>
+  body {
+    background-color: #EFEFEF;
     color: #2E2F30;
     text-align: center;
-    font-family: arial,sans-serif;
+    font-family: arial, sans-serif;
   }
-  div.dialog
-  {
+
+  div.dialog {
     width: 25em;
     margin: 4em auto 0 auto;
     border: 1px solid #CCC;
@@ -24,17 +23,18 @@
     background-color: white;
     padding: 7px 4em 0 4em;
   }
-  h1{
+
+  h1 {
     font-size: 100%;
     color: #730E15;
     line-height: 1.5em;
   }
-  body>p
-  {
-    width: 33em; 
+
+  body > p {
+    width: 33em;
     margin: 0 auto 1em;
     padding: 1em 0;
-    background-color: #f7f7f7;
+    background-color: #F7F7F7;
     border: 1px solid #CCC;
     border-right-color: #999;
     border-bottom-color: #999;
@@ -42,7 +42,7 @@
     border-bottom-right-radius: 4px;
     border-top-color: #DADADA;
     color: #666;
-    box-shadow:0 3px 8px rgba(50,50,50,0.17);
+    box-shadow:0 3px 8px rgba(50, 50, 50, 0.17);
   }
   </style>
 </head>
