JSFiddle - React, Tailwind, and code Playground

HTML

<div class="wrapper">
<select size=2>
  <option selected>sdgfsd g df bghdf hdfg hdfg hfg </option>
  <option>sdgfsd g df bghdf hdfg hdfg hfg </option>
  <option>sdgfsd g df bghdf hdfg hdfg hfg </option>
  <option>sdgfsd g df bghdf hdfg hdfg hfg </option>
</select>
</div>

CSS

.wrapper {width: 100px; overflow:auto;}