.role,.role-header{position:relative}.role-header{width:100%;height:40px}.role-header-right{position:absolute;top:2px;right:10px}.role-table{position:absolute;top:50px;left:0;right:0;bottom:0}.role-table>div{position:absolute;top:0;left:0;right:0;bottom:0;background-color:#fff}