JSFiddle - React, Tailwind, and code Playground

HTML

<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>

CSS

select {width: 100px; overflow-y:auto;}