JSFiddle - React, Tailwind, and code Playground

HTML

<div>
    <div class="left">Left</div>
    <div class="right">Right</div>
    <div class="footer clear">Footer</div>
<div>

CSS

.left {
    background-color: red;
    float: left;
}

.right {
    background-color: blue;
    float: right;
}

.footer {
      background-color: orange;
}

// clear
.clear {
   clear: both;
}