#social{position:absolute;left:0;top:140px;width:60px;height:320px;z-index:999}#social .social_item{display:inline-block}#social .social_item:hover{background-repeat:no-repeat;background-position:0 top}#social .social_item a{width:40px;height:40px;display:block;text-decoration:none;background-color:#ddd;color:#000;font-size:16px;text-align:center;margin:2px 0;line-height:40px}#social .social_item a:hover{background-repeat:no-repeat;background-position:0 top;color:#000}