JSFiddle - React, Tailwind, and code Playground

HTML

<div class="block-title"><h3>I'm a vertically centered element</h3></div>

CSS

.block-title {
	float:left;
	display:block;
	width:100%;
	height:88px
}

.block-title h3 {
    display:table-cell;
    vertical-align:middle;
    height:inherit
}