clean padding in single file page

public/css/gogs.css

@@ -644,7 +644,19 @@ html, body {
 }
 
 .file-content .file-body {
-    padding: 30px 30px 50px;
+    padding: 0;
+    border: none;
+    background-color: #FFF;
+}
+
+.file-content .file-body pre {
+    background-color: #FFF;
+    border: none;
+}
+
+.file-content .markdown > pre > ol.linenums > li:first-child {
+    padding-top: 0;
+    margin-top: 0;
 }
 
 .branch-list th, .commit-list th {
@@ -738,6 +750,10 @@ html, body {
     background-color: #FFF;
 }
 
+.guide-box {
+    margin-top: 20px;
+}
+
 /* wrapper and footer */
 
 #wrapper {

public/js/app.js

@@ -67,7 +67,7 @@ var Gogits = {
     // render markdown
     Gogits.renderMarkdown = function () {
         var $pre = $('.markdown').find('pre > code').parent();
-        $pre.addClass("prettyprint");
+        $pre.addClass("prettyprint linenums");
         prettyPrint();
     }