JSFiddle - React, Tailwind, and code Playground

HTML

<div class="content">
    <div></div>
    <div></div>
</div>

CSS

.content {
    display: flex;
    width: 100%;
    height:100px;
    align-items: center;
    justify-content: space-around;
    background: gray;
}  
.content div {
    height: 50px;
    background: green;
    width: 45%;
}