Asymmetrik/ngx-starter

.list-column-collapsed {
    .list-item:not(:first-child) {
        display: none;
    }
}

.fa-angle-down {
    transform: scale(1, -1);
    .list-column-collapsed & {
        transform: scale(1, 1);
    }
}

.header-text {
    display: inline-block;
    position: relative;
    top: -1px;
}