JSFiddle - React, Tailwind, and code Playground

HTML

<div class="col-4">
<div class="block">
    <div class="block-contents">
    <h3>Project Title Centered Vertical and Horizontal</h3></div>
    
</div>
</div>

CSS

.col-4 {
    width: 33.333%
}
.block {
    background-color: #eee;
    min-height: 200px;
        display: table-cell;
    vertical-align: center;
    text-align: center;
}
.block-contents {
    background-color: #fff;
    padding: 20px;
    margin: 20px;
}