Changes highlighting of code tags

Author: Ralf Grubenmann

public/css/poole.css

@@ -167,7 +167,6 @@ pre {
   font-size: .8rem;
   line-height: 1.4;
   white-space: pre;
-  white-space: pre-wrap;
   word-break: break-all;
   word-wrap: break-word;
   background-color: #f9f9f9;