#sidebar {
    display: block;
}

    #sidebar li {
        display: block;
        padding-top: 40px;
        margin-top: 20px;
        background-repeat: no-repeat;
        background-position: 50% 0;
        box-sizing: border-box;
        cursor: pointer;
    }
        #sidebar li.nav-item-flat {
            padding: 0;
            margin: 0;
        }
        

    ul#sidebar li:last-child { position: absolute; left: 34%; bottom: 0; }