JSFiddle - React, Tailwind, and code Playground

HTML

<select>
    
    <option>foo</option>
    <option>bar</option>
    <option>baz</option>
    
</select>

CSS

select
{
    width: 1.2em;
    height: 1.5em;
    background-color: #3CB23C;
    -moz-border-radius: 0.2em;
    border-radius: 0.2em;
    border: 0.06em outset #666;

    text-align: center;
    color: #fff;
    font-weight: bold;
    font-size: 4em;
    -webkit-appearance: none;

}