JSFiddle - React, Tailwind, and code Playground

HTML

<meta name="viewport" content="width=device-width, initial-scale=1.0">
<div>
	You cant see me on big screens
</div>

CSS

div {
  display: none;
  background: red;
}
@media screen and (max-width: 700px) {
  div {
    display: block;
  }
}