Select
Customize the native <select> with custom CSS that changes the element’s initial appearance.
Select on BootstrapDefault
<select class="form-select" aria-label="Default select example">
<option selected="">Open this select menu</option>
<option value="1">One</option>
<option value="2">Two</option>
<option value="3">Three</option>
</select>Sizing
<select class="form-select form-select-lg mb-3" aria-label=".form-select-lg example">
<option selected="">Open this select menu</option>
<option value="1">One</option>
<option value="2">Two</option>
<option value="3">Three</option>
</select>
<select class="form-select form-select-sm" aria-label=".form-select-sm example">
<option selected="">Open this select menu</option>
<option value="1">One</option>
<option value="2">Two</option>
<option value="3">Three</option>
</select>