#left12{width:100%;height:100%;box-sizing:border-box;display:-ms-flexbox;display:flex;-ms-flex-direction:column;flex-direction:column;background-color:rgba(6,30,93,.5)}#left12 .ranking-board-title{position:absolute;left:10px;font-size:14px;top:10px;color:#6bd4e0}#left12 .board{width:90%;position:absolute;top:50px;bottom:40px;padding:0 15px}