JSFiddle - React, Tailwind, and code Playground

by Oski Krawczyk

HTML

<div id="a">qweasd</div>

CSS

#a {
    background: red;
    width: 100%;
    height: 100px;
    -webkit-transition: width 1s;
}

@media (max-width: 600px) {
    #a {
        background: yellow;
        width: 50%;
        height: 100px;
    }
}