.nav-skin-dropdown ul.nav-visualizer-columnar {
    width: auto !important;
    display: block !important;
}
.nav-skin-dropdown ul.nav-visualizer-columnar li.column-list {
    display: inline-block;
    vertical-align: top;
}
.nav-skin-dropdown ul.nav-visualizer-columnar .column-list > ul {
    width: auto;
    display: block !important;
    position: static;
    background: none;
    border: 0;
}