JSFiddle - React, Tailwind, and code Playground

HTML

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

CSS

div{
    background-color: red;
    text-align: center;
}
div.content{
    margin: auto;
    width:300px;
    height: 300px;
    background-color: rgba(0,0,0,0.4);
    color: #fff;
}