body{background:#ddd;color:#000;font-family:Helvetica,Arial,sans-serif;line-height:1.5;margin:0;padding:0}#main{background:#fff;border-left:20px solid #eee;border-right:20px solid #eee;margin:0 auto;max-width:800px;padding:20px}pre.listing{background:#eee;border:1px solid #ccc;margin:.6em 0 .3em 0;padding:.1em .3em}pre.listing b{color:red}