JSFiddle - React, Tailwind, and code Playground

HTML

<div>
  <select><option>Not works</option></select>
  <input value="Not works">
  <fieldset>Works</fieldset>
</div>

CSS

div {
  position:relative;
  border:1px solid blue;
  width: 10cm;
  height: 6cm;
}
select {
  position:absolute;
  top: 1cm;
  left: 1cm;
  right: 1cm;
}
input {
  position:absolute;
  top: 2cm;
  left: 1cm;
  right: 1cm;
}
fieldset {
  position:absolute;
  top: 3cm;
  left: 1cm;
  right: 1cm;
}