pre {
	background:transparent url(linenumbers.png) no-repeat scroll left -10px;
	font-size:11px;
	line-height:16px;
	margin:0pt;
	padding-left:30px;
	margin-bottom: 15px;
	display: block; 
	width: 400px; white-space:pre;
	overflow: auto;
	border: 1px solid #cccccc;
}