.select2-container--open .select2-dropdown {
    z-index: 1056 !important;
    /* Higher than modal's z-index */
}

.select2-container--default .select2-results>.select2-results__options {
    max-height: 250px;
    overflow-y: auto;
}

.select2-search__field:focus {
    outline: none;
}

.select2-container--default .select2-selection--single {
    border: 1px solid #ced4da;
}

/* Ensure dropdown is wide enough */
.select2-container--default {
    width: 100% !important;
}

/* Fix dropdown position in modal */
.modal .select2-container--default .select2-dropdown {
    margin-top: 1px;
}