JSFiddle - React, Tailwind, and code Playground

HTML

<div id="wrapper">
	<section>
		<a href="#">
			<div class="tile">
                <div class="content"><img src="http://lorempixel.com/20/20" alt="" class="icon"/></div>
			</div>
		</a>
		<a href="#">
			<div class="tile">
                <div class="content"><img src="http://lorempixel.com/20/20" alt="" class="icon"/></div>
			</div>
		</a>
		<a href="#">
			<div class="tile">
                <div class="content"><img src="http://lorempixel.com/20/20" alt="" class="icon"/></div>
			</div>
		</a>
		<a href="#">
			<div class="tile">
                <div class="content"><img src="http://lorempixel.com/20/20" alt="" class="icon"/></div>
			</div>
		</a>
	</section>
</div>

CSS

a{
    width: 150px;
    height: 150px;
    color: #0072c6;
    margin: 10px;
    border: 0;
    text-decoration: none;
}

.tile{
    position: relative;
    float: left;
    height: 150px;
    width: 150px;
    margin: 4px;
    padding: 0;
    vertical-align: bottom;
}

.content{
    width: 150px;
    height: 150px;
    display: table-cell;
    vertical-align: middle;
    margin-left: 0px;
    margin-right: auto;
    text-align: center;
}

img{
    max-height: 20px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 20px;
}