<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Bootstrap Custom Select Sizing</title>
<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.0.2/dist/css/bootstrap.min.css" rel="stylesheet">
<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.0.2/dist/js/bootstrap.bundle.min.js"></script>
<select class="form-select form-select-lg">
<option selected>Large custom select menu</option>
<option value="1">One</option>
<option value="2">Two</option>
<option value="3">Three</option>
<select class="form-select mt-3">
<option selected>Default custom select menu</option>
<option value="1">One</option>
<option value="2">Two</option>
<option value="3">Three</option>
<select class="form-select form-select-sm mt-3">
<option selected>Small custom select menu</option>
<option value="1">One</option>
<option value="2">Two</option>
<option value="3">Three</option>
