JSFiddle - React, Tailwind, and code Playground

by badsyntax

HTML

<div class="container">
    <div class="inner-container">
        <div class="box">
            Here could be any amount of content.
            <br/><br/>
            This box does not have a set height.            
        </div>
    </div>
</div>

CSS

* {
    box-sizing: border-box;
}

html, body {
    height: 100%;
    margin: 0;
}

.container {
    border: 1px solid red;
    height: 100%;
    display: table;
    width: 100%;
}
.inner-container {
    display: table-cell;
    vertical-align: middle;
}
.box {
    border: 1px solid green;
}