.couplet_left{position:absolute;top:300px;right:50%;margin-right:490px;display:block;height:600px;width:200px}.couplet_right{position:absolute;top:300px;left:50%;margin-left:490px;display:block;height:600px;width:200px}.bottom_background_admarks{position:absolute;left:0;padding:8px;background-color:rgba(0,0,0,.2);font-size:13px;color:#fff;z-index:100;line-height:1}.couplet_left.couplet_star,.couplet_right.couplet_star{top:400px}