JSFiddle - React, Tailwind, and code Playground

HTML

<div class="container">
    <div class="block">1</div>
    <div class="block">2</div>
</div>

CSS

.container {
    text-align: center;
}

.block {
    width: 400px;
    display: inline-block;
    background: #ff0000;
}