img{
	margin:0;
	padding:0;
	border:none;
}


.demo a img{ float:left; margin:0; padding:0; margin:9px 0 0 10px; background:	 width:70px; height:70px;}

.main_content_demo{
	margin:0 auto;
	padding:0;
	width:900px;
	display:block;
}