JSFiddle - React, Tailwind, and code Playground

HTML

<label id='choose' for='options'>Select options</label>
<br clear='all' />
<select id='options' size="10" style='display:none;'>
    <option>asdasdasd</option>
    <option>asdasdasd</option>
    <option>asdasdasd</option>
    <option>asdasdasd</option>
    <option>asdasdasd</option>
    <option>asdasdasd</option>
    <option>asdasdasd</option>
    <option>asdasdasd</option>
    <option>asdasdasd</option>
    <option>asdasdasd</option>
</select>

CSS

label{
    background:url('https://cdn2.iconfinder.com/data/icons/ios-7-icons/50/down4-16.png') right center no-repeat;
    padding:0 20px 0 10px;
    border:solid 1px #eee;
}

JavaScript

$('#choose').click(function(){
    $(this).siblings('select').css('width', $(this).outerWidth(true)).toggle();
});