JSFiddle - React, Tailwind, and code Playground

HTML

<form>
    <select id='selectbox'>
        <option >A</option>
        <option >B</option>
    </select>
</form>

CSS

form select#selectbox {
    width: 100px;
    height: 50px;
    background-image: url('https://www.google.com/images/nav_logo101.png');
}