#downloadlist{list-style:none;margin:0;}#downloadlist li{font-size:1em;}#downloadlist li h3{clear:left;}#downloadlist li p{margin:0;overflow:hidden;padding-bottom:1.4em;}#downloadlist li .introduction{padding:0;}#downloadlist li a{background:url(/img/icon/pdf.png) no-repeat 100% 50%;float:left;padding:7px 22px 7px 0;}#downloadlist li .mp3{background-image:url(/img/icon/mp3.png);padding-right:18px;}