JSFiddle - React, Tailwind, and code Playground

HTML

<body>
    <div class="left"></div>
    <div class="right"></div>
</body>

CSS

body,html{
height:100%
}
.left
{
float:left;
background-color:#ccffcc;
height:100%;
width:50%;
}
.right
{
height:100%;
width:50%;
float:right;
background-color:#ffcc99
}