JSFiddle - React, Tailwind, and code Playground

HTML

<script src="//cdnjs.cloudflare.com/ajax/libs/chosen/1.0/chosen.jquery.min.js"></script>
<link rel="stylesheet" href="//cdnjs.cloudflare.com/ajax/libs/chosen/1.0/chosen.min.css">
<select class="chosen-select" data-placeholder="Select Corporate Group...">
    <option></option>
    <option>Piemonte</option>
    <option>Lombardia</option>
    <option>Veneto</option>
    <option>Trentino</option>
</select>
<br><br>
<select class="chosen-select" data-placeholder="Select Country..." multiple>
    <option></option>
    <option>Piemonte</option>
    <option>Lombardia</option>
    <option>Veneto</option>
    <option>Trentino</option>
</select>
<br><br>
<select class="chosen-select" data-placeholder="Select Region..." multiple >
    <option></option>
    <option>Piemonte</option>
    <option>Lombardia</option>
    <option>Veneto</option>
    <option>Trentino</option>
</select>
<br><br>
<select class="chosen-select" data-placeholder="Select City..." multiple >
    <option></option>
    <option>Piemonte</option>
    <option>Lombardia</option>
    <option>Veneto</option>
    <option>Trentino</option>
</select>
    <br><br>
<select class="chosen-select" data-placeholder="Select Company..." >
    <option></option>
    <option>Piemonte</option>
    <option>Lombardia</option>
    <option>Veneto</option>
    <option>Trentino</option>
    </select>

JavaScript

$('.chosen-select').chosen({ width: '200px' });