diff --git a/redmine/public/404.html b/redmine/public/404.html
index e1c8e916..ddf424b0 100644
--- a/redmine/public/404.html
+++ b/redmine/public/404.html
@@ -1,7 +1,23 @@
 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
    "http://www.w3.org/TR/html4/loose.dtd">
 <html>
+<title>redMine 404 error</title>
+<style>
+body{
+font-family: Trebuchet MS,Georgia,"Times New Roman",serif;
+color:#303030;
+margin:10px;
+}
+h1{
+font-size:1.5em;
+}
+p{
+font-size:0.8em;
+}
+</style>
 <body>
-  <h1>File not found</h1>
+  <h1>Page not found</h1>
+  <p>The page you were trying to access doesn't exist or has been removed.</p>
+  <p><a href="javascript:history.back()">Back</a></p>
 </body>
 </html>
\ No newline at end of file
diff --git a/redmine/public/500.html b/redmine/public/500.html
index 713ee8aa..93eb0f12 100644
--- a/redmine/public/500.html
+++ b/redmine/public/500.html
@@ -1,7 +1,24 @@
 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
    "http://www.w3.org/TR/html4/loose.dtd">
 <html>
+<title>redMine 500 error</title>
+<style>
+body{
+font-family: Trebuchet MS,Georgia,"Times New Roman",serif;
+color:#303030;
+margin:10px;
+}
+h1{
+font-size:1.5em;
+}
+p{
+font-size:0.8em;
+}
+</style>
 <body>
-  <h1>Sorry, an application error occured</h1>
+  <h1>Internal error</h1>
+  <p>An error occurred on the page you were trying to access.<br />
+  If you continue to experience problems please contact your redMine administrator for assistance.</p>
+  <p><a href="javascript:history.back()">Back</a></p>
 </body>
 </html>
\ No newline at end of file
diff --git a/redmine/public/stylesheets/application.css b/redmine/public/stylesheets/application.css
index c9f3041c..c380b2c3 100644
--- a/redmine/public/stylesheets/application.css
+++ b/redmine/public/stylesheets/application.css
@@ -58,20 +58,22 @@ margin-bottom:1px;
 
 #header h1{
 padding:10px 0 0 20px;
-font-size:1.8em;
+font-size:2em;
 background-color:inherit;
 color:#fff; /*rgb(152, 26, 33);*/
-letter-spacing:-2px;
-font-weight:normal;
+letter-spacing:-1px;
+font-weight:bold;
+font-family: Trebuchet MS,Georgia,"Times New Roman",serif;
 }
 
 #header h2{
 margin:3px 0 0 40px;
-font-size:1.4em;
+font-size:1.5em;
 background-color:inherit;
 color:#f0f2f4;
 letter-spacing:-1px;
 font-weight:normal;
+font-family: Trebuchet MS,Georgia,"Times New Roman",serif;
 }
 
 #navigation{
@@ -152,12 +154,13 @@ margin:0 0 16px 0;
 font-size:1.7em;
 font-weight:normal;
 letter-spacing:-1px;
-color:#505050;
+color:#606060;
 background-color:inherit;
+font-family: Trebuchet MS,Georgia,"Times New Roman",serif;
 }
 
 #content h2 a{font-weight:normal;}
-#content h3{margin:0 0 12px 0; font-size:1.4em; letter-spacing:-1px;}
+#content h3{margin:0 0 12px 0; font-size:1.4em;color:#707070;font-family: Trebuchet MS,Georgia,"Times New Roman",serif;}
 #content a:hover,#subcontent a:hover{text-decoration:underline;}
 #content ul,#content ol{margin:0 5px 16px 35px;}
 #content dl{margin:0 5px 10px 25px;}
@@ -307,9 +310,9 @@ margin:0 0 5px 0;
 font-size:1.0em;
 font-weight:bold;
 text-align:left;
-letter-spacing:-1px;
 color:#606060;
 background-color:inherit;
+font-family: Trebuchet MS,Georgia,"Times New Roman",serif;
 }
 
 #subcontent p{margin:0 0 16px 0; font-size:0.9em;}
