JSFiddle - React, Tailwind, and code Playground

HTML

<div id="container">
    <div id="float1">First item</div>
    <div id="float2">Second item</div>
</div>

CSS

#container { width: 100%; overflow: hidden; padding: 10px; border: 1px solid #ccc; }
#float1, #float2 { float: left; margin: 20px; }
#float1 { border: 1px solid #ff0000; }
#float2 { border: 1px solid #0000ff; }