@media screen and (max-width: 768px){
    .layui-body{
        left: 0;
    }

    .layui-layout-admin .layui-footer{
        left: 0;
    }

    .layui-layout-admin .layui-logo{
        width: 115px;
    }

    .layui-layout-admin .layui-side{
        width: 100%;
        overflow-x: hidden;
        height: 100%;
        position: unset;
    }

    .layui-layer-content .layui-hide-xs{
        display: unset !important;
    }

    .layui-nav-tree{
        width: 100%;
        height: 100%;
    }
}

.left-bottom-options{
    position: fixed;
    left: 20px;
    bottom: 60px;
    background: rgba(0,0,0,0.4);
    color: #fff;
    font-size: 35px;
    padding: 3px 5px;
}