JSFiddle - React, Tailwind, and code Playground

HTML

<div>
  <label>Placeholder</label>
  <input type="text">
</div>

CSS

div {
  position: relative;
}

label {
  position: absolute;
  pointer-events: none;
  top: .5em;
  left: .5em;
  font-size: .75em;
  text-transform: uppercase;
  color: blue;
  font-weight: bold;
  letter-spacing: .05em;
}

input {
  border: none;
  background: #fff;
  color: #000;
  font-size: 1rem;
  padding: 1.25em .5em .25em .5em;
}

body {
  font-size: 16px;
  background: #ddd;
  font-family: sans-serif;
}