/* Highlight current */
.nav-left-sidebar > .active > a, .nav-left-sidebar > .active > a:hover, .nav-left-sidebar > .active > a:focus {
    color: #fff;
    background-color: #428bca;
}
.col-sm-3.col-md-2.left-sidebar {
        padding-top: 1em;
        padding-bottom: 0;
    }

.nav-left-sidebar .left-sidebar-button a, 
.nav-left-sidebar .left-sidebar-button a:hover, 
.nav-left-sidebar .left-sidebar-button a:focus {
    background-color: lightgray;
}

@media only screen and (min-width: 768px) {
    #content {
        width: 60%;
    }
    .col-sm-3 {
        width: 20%;
    }
    .left-sidebar {
        width: 20%;
    }
    .col-sm-3.col-md-2.left-sidebar {
        padding-bottom: 1em;
    }
}