Merge pull request #5 from aarongarciah/patch-1

Horizontal scrollbar in <pre> only when necessary.

Author: Angelmmiguel

site/styles/index.scss

@@ -10,7 +10,7 @@ pre {
   padding: 1.3em;
   background-color: #f9f6dc;
   font-size: .75rem;
-  overflow-x: scroll;
+  overflow-x: auto;
 }
 
 p > code {