JSFiddle - React, Tailwind, and code Playground

HTML

<div class="container"></div>

CSS

.container::after {
  content: "Hello World";
}

.container::before {
  content: /images/icon1.png;
}

.container:hover:after {
  content: "Hover World!";
}

.container:hover:before {
  content: /images/icon2.png;
}