JSFiddle - React, Tailwind, and code Playground

HTML

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

CSS

.page{
    position: relative;
    height: 300px;
    background: #888;
    min-width: 500px;
}

.left,
.right{
    position: absolute;
    top: 0;
    width: 100px;
    height: 100%;
}

.left{
    left: 0;
    background: #783;
}
.right{
    right: 0;
    background: #982;
}