JSFiddle - React, Tailwind, and code Playground

HTML

<div id="parent">
    <div>text</div>
</div>

CSS

#parent {
    width: 50%;
    background: lightblue;
    padding: 5%;
}
#parent div {
    padding: 5%;
    background: lightgreen;
}
@media all and (max-width: 500px) {
    #parent {
        width: 90%;
    }
}
@media (max-width:100px){
#parent{opacity:0;}}