Style syntax highlight area for white theme

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

app/assets/stylesheets/generic/files.scss

@@ -7,6 +7,7 @@
   margin-right: -$gl-padding;
   border: none;
   border-top: 1px solid #E7E9EE;
+  border-bottom: 1px solid #E7E9EE;
   margin-bottom: 1em;
 
   table {
@@ -52,7 +53,7 @@
     }
 
     &.wiki {
-      padding: 25px;
+      padding: $gl-padding;
 
       .highlight {
         margin-bottom: 9px;
@@ -93,7 +94,7 @@
           border-right: none;
         }
         background: #fff;
-        padding: 8px;
+        padding: 10px $gl-padding;
       }
       .lines {
         pre {
@@ -103,6 +104,33 @@
           border: none;
         }
       }
+      img.avatar {
+        border: 0 none;
+        float: none;
+        margin: 0;
+        padding: 0;
+      }
+      td.blame-commit {
+        background: #f9f9f9;
+        min-width: 350px;
+
+        .commit-author-link {
+          color: #888;
+        }
+      }
+      td.blame-numbers {
+        pre {
+          color: #AAA;
+          white-space: pre;
+        }
+        background: #f1f1f1;
+        border-left: 1px solid #DDD;
+      }
+      td.lines {
+        code {
+          font-family: $monospace_font;
+        }
+      }
     }
 
     &.logs {

app/assets/stylesheets/highlight/white.scss

@@ -5,15 +5,19 @@ pre.code.highlight.white,
   background-color: #fff;
   color: #333;
 
-  pre.highlight,
   .line-numbers,
   .line-numbers a {
+    background-color: $background-color !important;
+    color: $gl-gray !important;
+  }
+
+  pre.highlight {
     background-color: #fff !important;
     color: #333 !important;
   }
 
   pre.code {
-    border-left: 1px solid #bbb;
+    border-left: 1px solid $border-color;
   }
 
   // highlight line via anchor

app/assets/stylesheets/pages/tree.scss

@@ -78,36 +78,6 @@
       }
     }
   }
-
-  .blame {
-    img.avatar {
-      border: 0 none;
-      float: none;
-      margin: 0;
-      padding: 0;
-    }
-    td.blame-commit {
-      background: #f9f9f9;
-      min-width: 350px;
-
-      .commit-author-link {
-        color: #888;
-      }
-    }
-    td.blame-numbers {
-      pre {
-        color: #AAA;
-        white-space: pre;
-      }
-      background: #f1f1f1;
-      border-left: 1px solid #DDD;
-    }
-    td.lines {
-      code {
-        font-family: $monospace_font;
-      }
-    }
-  }
 }
 
 .tree-ref-holder {