Merge pull request #2176 from koenpunt/gh-issue-1612

Fix for #1612 `overflow: auto` so content won't break layout

app/assets/stylesheets/gitlab_bootstrap/blocks.scss

@@ -31,7 +31,7 @@
   .middle_box_content,
   .bottom_box_content {
     padding: 15px;
-
+    overflow: auto; 
     pre {
       background: none !important;
       margin: 0;