JSFiddle - React, Tailwind, and code Playground

HTML

<select>
    <option>Select</option>
    <option>value 1</option>
    <option>value 2</option>
</select>
<p>▼</p>

CSS

select {
    -webkit-appearance: none;
    border: 0;
    padding-right: 30px;
}
p { display: inline; margin-left: -30px; }