.layadmin-side-shrink .layui-layout-admin .layui-logo img
{
    display:none;
}
.layui-nav-tree .layui-nav-child dd.layui-this, .layui-nav-tree .layui-nav-child dd.layui-this a, .layui-nav-tree .layui-this, .layui-nav-tree .layui-this>a, .layui-nav-tree .layui-this>a:hover
{
        background-color: #3B91FF;
}
span.layui-nav-bar
{
    display:none;
}
.layui-side-menu .layui-nav .layui-nav-item a
{
    padding-left:20px;
}