.sidr{
    display:block;
    position:fixed;
    top:0;height:100%;z-index:999999;
    width:260px;
    overflow-x:hidden;overflow-y:auto;
    /* transition: all 0.3s !important;
    -moz-transition: all 0.3s !important;
    -o-transition: all 0.3s !important;
    -webkit-transition: all 0.3s !important; */

    
    white-space: nowrap;
    visibility: visible;
    color: #fff;
    background-color: #fff;
}
.sidr.right{left:auto;right:-260px}
.sidr.left{left:-260px;right:auto}