.section-selector:not(.hidden) {
    display: block;
    width: auto;
    height: auto;
    padding: 0.5rem;
    position: absolute;
    top: 100%;
    z-index: 2;
    background-color: var(--white);
    border-radius: 5px;
    left: 1rem;
    border: solid 1px var(--border-color);
}
.section-selector.hidden {
    display: none;
}
.section-selector input[type="radio"] {
    display: none;
}
.section-selector label {
    color: var(--dark);
    display: inline-block;
}
.section-selector .selector-header {
    padding: 0.5rem 0;
    border-bottom: solid 1px var(--border-color);
    margin-bottom: 0.5rem;
    display: flex;
}
.section-selector .selector-header label {
    padding: 0.25em 1em;
    color: var(--black);
}
.section-selector .selector-header label.back {
    font-size: 0.9em;
    line-height: 2.25em;
    margin-right: 20px;
    color: var(--dark);
    opacity: 0.5;
    cursor: pointer;
}
.section-selector .selector-header label.section {
    font-size: 1.15em;
    line-height: 1.5em;
}
.section-selector .columns > div {
    display: block;
}
.section-selector div.columns-6 {
    columns: 6;
}
.section-selector div.columns-5 {
    columns: 5;
}
.section-selector div.columns-4 {
    columns: 4;
}
.section-selector div.columns-3 {
    columns: 3;
}
.section-selector div.columns-2 {
    columns: 2;
}
.section-selector .columns.section-selected > div {
    columns: 1;
}
.section-selector .columns input[name].section + label {
    padding: 0;
    margin: 0.125rem 0;
}
.section-selector .columns.section-selected input[type="radio"][name].section + label {
    display: none;
}
.section-selector .columns input[type="radio"][name].section + label + div {
    display: none;
}
.section-selector .columns input[type="radio"][name].section:checked + label,
.section-selector .columns.section-selected input[type="radio"][name].section:checked + label
{
    display: none;
}
.section-selector .columns input[type="radio"][name].section:checked + label + div,
.section-selector .columns.section-selected input[type="radio"][name].section:checked + label + div
{
    display: block;
}
.section-selector .columns input[name].item + label,
.section-selector .columns input[type="radio"][name].section + label
{
    display: inline-block;
    font-style: normal;
    padding: 0.5em 1em;
    border: solid 1px transparent;
    border-radius: 5px;
    cursor: pointer;
    -moz-transition: color .25s ease-in-out, border-color .25s ease-in-out;
    -webkit-transition: color .25s ease-in-out, border-color .25s ease-in-out;
    -o-transition: color .25s ease-in-out, border-color .25s ease-in-out;
    transition: color .25s ease-in-out, border-color .25s ease-in-out;
}
.section-selector .columns input[name].item + label {
    margin: 0.125rem 0;
}
.section-selector .columns input[name].item + label:hover,
.section-selector .columns input[type="radio"][name].section + label:hover
{
    color: var(--dark);
    border: solid 1px var(--light);
}
.section-selector .columns input[type="radio"][name].section + label {
    padding: 1em;
}
.section-selector .columns input[name].item:checked + label {
    color: var(--black);
    border: solid 1px var(--light);
    border-radius: 5px;
}

@media (max-width: 991px) {
    .section-selector .columns {
        max-height: 460px;
        overflow-y: auto;
    }
    .section-selector .columns > div {
        columns: 3;
    }
}

@media (max-width: 768px) {
    .section-selector .columns > div {
        columns: 2;
    }
    .section-selector .columns input[type="radio"][name].section:checked + label + div,
    .section-selector .columns.section-selected input[type="radio"][name].section:checked + label + div
    {
        display: block;
        columns: 2;
    }
}

@media (max-width: 480px) {
    .section-selector .columns {
        max-height: 360px;
    }
    .section-selector .columns > div {
        columns: 1;
    }
    .section-selector .columns input[type="radio"][name].section + label {
        display: block;
        padding: 0.75em 1em;
    }
    .section-selector .columns input[type="radio"][name].section:checked + label + div,
    .section-selector .columns.section-selected input[type="radio"][name].section:checked + label + div
    {
        display: block;
        columns: 1;
    }
}

/*@media (max-width: 360px) {*/
    /*.section-selector .columns input[name].section:checked + label + div,*/
    /*.section-selector .columns.section-selected input[name].section:checked + label + div*/
    /*{*/
        /*display: block;*/
        /*columns: 1;*/
    /*}*/
/*}*/