JSFiddle - React, Tailwind, and code Playground

by adelura

HTML

<input type="text"/>

<button class="fancy-focus">
Hello
</button>

CSS

button {
  background: yellow;
  border: 1px solid orange;
  padding: 5px 10px;
}

.fancy-focus {
  position: relative;
}

.fancy-focus:focus {
  outline: 1px solid black;
}

.fancy-focus:focus:before {
  content: '';
  display: block;
  position: absolute;
  top: -6px;
  left: -6px;
  right: -6px;
  bottom: -6px;
  border: 4px solid red;
  border-radius: 4px;
}