JSFiddle - React, Tailwind, and code Playground

HTML

<img class="test" src="//herogamesworld.com/images/my%20little%20pony%20games.jpg">

CSS

.test {
    width: 600px;
    transition: width 1s;
}

@media screen and (max-width: 800px) {
    .test {
        width: 200px;
    }
}