JSFiddle - React, Tailwind, and code Playground

HTML

<div></div>
<div></div>
<div></div>

CSS

div {
    width: 50%;
    height: 10em;
}

div:nth-child(1){
    background-color: red;
    float: left;
}
div:nth-child(2){
    background-color: green;
    float:right;
    height: 1em;
}
div:nth-child(3){
    background-color: blue;
    clear: left;
}