<!-- Styles -->
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/select2@4.1.0-rc.0/dist/css/select2.min.css" />
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/select2-bootstrap-5-theme@1.3.0/dist/select2-bootstrap-5-theme.min.css" />
<!-- Scripts -->
<script src="https://cdn.jsdelivr.net/npm/select2@4.1.0-rc.0/dist/js/select2.min.js"></script>
<script type="text/javascript">
    $(document).ready(function() {
        //class select2인 SelectBox용
        $(".select-field").select2({
            theme: "bootstrap-5",
        });
    });
</script>