Minor optimizations in CSS files to shed some weight (php#612)

- Removes px suffix from 0px.
 - Combines CSS properties where they are immediately overridden in the same selector block, or can be combined without side effects.

 This saves about 50 bytes off the CSS scripts. it ain't much but it's honest work

js/usernotes.js

@@ -26,13 +26,13 @@ $(document).ready(function() {
               if (data.msg != null) {
                 responsedata = data.msg;
               }
-              $("#V"+id).html("<div style=\"float: left; width: 16px; height: 16px; background-image: url(/images/notes-features.png); background-position:-32px 0px; margin-right: 8px; overflow: hidden;\" border=\"0\" alt=\"fail\" title=\"" + responsedata + "\"></div>");
+              $("#V"+id).html("<div style=\"float: left; width: 16px; height: 16px; background-image: url(/images/notes-features.png); background-position:-32px 0; margin-right: 8px; overflow: hidden;\" border=\"0\" alt=\"fail\" title=\"" + responsedata + "\"></div>");
             }
           });
           request.fail(function(jqXHR, textStatus) {
             $("#Vu"+id).show();
             $("#Vd"+id).show();
-            $("#V"+id).html("<div style=\"float: left; width: 16px; height: 16px; background-image: url(/images/notes-features.png); background-position:-32px 0px; margin-right: 8px; overflow: hidden;\" border=\"0\" alt=\"fail\" title=\"Error :(\"></div>");
+            $("#V"+id).html("<div style=\"float: left; width: 16px; height: 16px; background-image: url(/images/notes-features.png); background-position:-32px 0; margin-right: 8px; overflow: hidden;\" border=\"0\" alt=\"fail\" title=\"Error :(\"></div>");
           });
           request.always(function(data) {
             $("#V"+id).fadeIn(500, "linear");

styles/mirror.css

@@ -98,5 +98,5 @@ div#usernotes a.usernotes-voted:hover {
 
 #mirrors-container .mirrors-list img {
 	position: absolute;
-	right: 0px;
+	right: 0;
 }

styles/theme-base.css

@@ -555,8 +555,7 @@ div.classsynopsisinfo_comment {
 
 pre.info {
     border: 1px solid;
-    margin: 1rem 2rem 1.3rem;
-    margin-right: 0.8rem;
+    margin: 1rem 0.8rem 1.3rem 2rem;
 }
 
 #langform {
@@ -686,7 +685,6 @@ table td {
 
 table.standard {
     border-collapse: collapse;
-    border-style: hidden;
     border:1px solid #d9d9d9;
 }
 
@@ -797,9 +795,8 @@ table.standard th.subr {
     width: 23.404%;
     margin-right: 2.762%;
     padding:.5rem .75rem;
-    border: 1px solid;
+    border: 1px solid #e0e0e0;
     background-color:#f2f2f2;
-    border-color: #e0e0e0;
     border-bottom-color:#d9d9d9;
     border-radius:2px;
     margin-top: 0;
@@ -1159,7 +1156,7 @@ fieldset {
 .content-box pre {
     background: white;
     border: solid 1px rgb(214, 214, 214);
-    margin: 0px;
+    margin: 0;
     padding: 0.75rem;
     overflow: auto;
     font: normal 0.875rem/1.5rem "Source Code Pro", monospace;
@@ -1483,8 +1480,8 @@ div.soft-deprecation-notice {
 }
 div.soft-deprecation-notice blockquote.sidebar {
     padding: 10px;
-    margin: 0px;
-    border: 0px solid;
+    margin: 0;
+    border: 0 solid;
 }
 
 #breadcrumbs {
@@ -1610,7 +1607,7 @@ div.soft-deprecation-notice blockquote.sidebar {
     float:left;
     clear: both;
     margin-top: 0;
-    padding: 0px 10px 10px 10px;
+    padding: 0 10px 10px 10px;
   }
 
   .navbar .nav {
@@ -1651,7 +1648,7 @@ div.soft-deprecation-notice blockquote.sidebar {
 
   .navbar-search {
     margin-top: 0;
-    padding: 0px 10px 10px;
+    padding: 0 10px 10px;
   }
 
   .navbar .brand img {
@@ -1690,7 +1687,7 @@ div.soft-deprecation-notice blockquote.sidebar {
   }
 
   #flash-message {
-    margin-top: 0px !important;
+    margin-top: 0 !important;
     top: 0;
   }
 
@@ -1735,7 +1732,7 @@ div.soft-deprecation-notice blockquote.sidebar {
   color: #E6E6E6;
 }
 #goto .search .results {
-  text-shadow: 0px 2px 3px #555;
+  text-shadow: 0 2px 3px #555;
   font-size: 2rem;
   line-height: 1;
 }
@@ -1745,7 +1742,7 @@ div.soft-deprecation-notice blockquote.sidebar {
 }
 #goto .search .text {
   color: #222;
-  text-shadow: 0px 2px 3px #555;
+  text-shadow: 0 2px 3px #555;
   font-size: 10rem;
   line-height: .7;
 }

styles/theme-medium.css

@@ -495,7 +495,7 @@ div.elephpants img:focus {
 }
 .mirror .title img {
 	position: absolute;
-	right: 0px;
+	right: 0;
 }
 .mirror .title {
 	font-size: 1.4em;