JSFiddle - React, Tailwind, and code Playground

HTML

<div class="container">
    <div class="first"></div>
    <div class="second"></div>
</div>

CSS

.container {
    width:100%;
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
}

.first {
    background-color: yellow;
    width: 200px;
    height: 100px;
}

.second {
    background-color: blue;
    width: 200px;
    height: 100px;
}