JSFiddle - React, Tailwind, and code Playground

HTML

<div class="main">
    <div class="contentWrapper">
        <div class="content">My Content </br> Goes here</div>
    </div>            
</div>

CSS

.main {
    border: 1px solid #f00;
    height: 400px;
    width: 400px;
    position: relative
}
.contentWrapper {
    display: table;
    width: 100%;
    height: 100%;
    *height: auto;
    *position: absolute;
    *top: 50%;
}
.content {
    display: table-cell;
    text-align: center;
    vertical-align: middle;
    *position: relative;
    *top: -50%;
}