.dropdown-toggle::after {
    content: '';
    display: block;
    height: 24px;
    width: 24px;
    background-color: rgb(var(--color-graphite));
    mask-image: url('/img/chevron-down.svg');
    mask-repeat: no-repeat;
}

.overview-search__filter {
    position: relative; /* constrains the dropdown-menu below to this element's width */
}

    .overview-search__filter .dropdown-menu {
        width: 100%;
    }