/* side */
.side{position:fixed;width:54px;height:275px;right:0;top: 500px;z-index:100;}
.side ul li{width:54px;height:54px;float:left;position:relative;margin-bottom: 5px;}
.side ul li .sidebox{position:absolute;width:54px;height:54px;top:0;right:0;transition:all 0.3s;background:#000;opacity:0.8;filter:Alpha(opacity=80);color:#fff;font:14px/54px "微软雅黑";overflow:hidden;border-radius: 5px;}
.side ul li .sidetop{width:54px;height:54px;line-height:54px;display:inline-block;background:#000;opacity:0.8;filter:Alpha(opacity=80);transition:all 0.3s;}
.side ul li .sidetop:hover{background:#ae1c1c;opacity:1;filter:Alpha(opacity=100);}
.side ul li img{float:left;}