JSFiddle - React, Tailwind, and code Playground

HTML

<div class="container">
    <div class="red left">Red</div>
    <div class="green left">green</div>
    <div class="blue">blue</div>
</div>

CSS

.container{border: 2px solid black; padding: 5px; position: relative; width: 100%;}

.left {
    float: left;
}

.red{border: 2px solid red;}

.green{border: 2px solid green;}

.blue{border: 2px solid blue;}