JSFiddle - React, Tailwind, and code Playground

by stovberpv

HTML

<button>
button
</button>

CSS

button {
  padding: 5px 10px;
  border-radius: 5px;
  border: 2px solid #fc0;
  background-color: transparent;
  background-image: linear-gradient(to right, #fc0 50%, #fff 50%);
  background-position: center center;
  background-size: 0 100%;
  background-repeat: no-repeat;
  transition: all 0.3s;
}
button:hover {
  background-size: 100% 100%;
}