.left_bar{z-index:99;width:36px;position:fixed;top:45%}.left_bar_current{background-color:#626262}.left_bar_ul{background-color:#626262;height:327px;width:36px;display:none;text-indent:6px;border-left:2px solid #fff}.left_bar_li{height:36px;width:36px;cursor:pointer;font-family:"微软雅黑";border-bottom:.5px solid #fff;line-height:36px;width:36px;color:#fff}.left_bar_li:nth-child(9){font-size:25px;padding-top:2px;background-color:#080808}.left_bar_li:nth-child(1){background-color:#dd2727}