background:url(http://img1.sycdn.imooc.com//53cf0fa20001d3dc00200032.jpg) 0 16px;display:inline;}
p{display:inline;font-size:10px;}.top em{background:url(http://img1.sycdn.imooc.com//53cf0fa20001d3dc00200032.jpg) 0 32px;}
a{text-decoration:none; color:#000;}
p{display:inline;font-size:10px;}.top em{background:url(http://img1.sycdn.imooc.com//53cf0fa20001d3dc00200032.jpg) 0 32px;}
a{text-decoration:none; color:#000;}
*{margin:0;padding:0;}.topList{width:300px;height:180px;border:1px solid #E8E8E8;margin:0 auto;}li{list-style:none;margin:10px;}em{width:20px;height:16px;text-align:center;font-style:normal;color:#333;
.topList em{
display:block;
width:20px;
height:16px;
float:left;
font-style:normal;
color:#fff;
text-align:center;
background:url(" http://img1.sycdn.imooc.com//53cf0fa20001d3dc00200032.jpg");
background-position:0 16px;
}
.top em{
background-position:0 0;
}
display:block;
width:20px;
height:16px;
float:left;
font-style:normal;
color:#fff;
text-align:center;
background:url(" http://img1.sycdn.imooc.com//53cf0fa20001d3dc00200032.jpg");
background-position:0 16px;
}
.top em{
background-position:0 0;
}