.drilldown-root {
    margin-bottom: 0;
}

.drilldown {
    overflow: hidden;
}

.drilldown-sub {
    display: none;
}

.drilldown li {
    border-bottom: 1px solid #eee;
    background: #e4e4e4;
}

.drilldown a {
    display: block;
    padding: 10px;
    padding-left: 30px;
    color: #777;
    font-size: 14px;
}

.drilldown .navback {
    background: #ddd;
}

.drilldown a.navback {
    padding-left: 10px;
    color: #000;
    padding-top: 15px;
    padding-bottom: 15px;
}

.drilldown .navback i {
    width: 20px;
}

#main-nav {
    margin-top: -6px;
    padding: 0;
}