.demo a{ float:left; margin:0; padding:0; margin:5px 23px 20px 0px!important; margin:5px 10px 5px 10px; display:block;  }
.demo a img{ float:left; margin:0; padding:3px; margin:9px 0 0 10px; border: solid 1px #3695af;  }
.demo a:hover img{ border: solid 1px #3695af; background: #afd1ce; }
ul,li,dl,dt,dd{
	list-style-type:none;
	margin:0;
	padding:0;
}
.main_content_demo{
	margin:0 auto;
	padding:0;
	width:900px;
	display:block;
}