JSFiddle - React, Tailwind, and code Playground

HTML

<div class="reach align-middle">
    <div class="align-block">
        <div>block3</div>
        <div>Long Description Long DescriptionLong DescriptionLong DescriptionLong Description</div>
    </div>
</div>

CSS

.reach {
    -moz-box-sizing: border-box;
    width: 100%;
    border-radius: 4px;
    border: 1px solid black;
    height: 200px;
    margin-bottom: 100px;
}

.align-middle:before {
    content:"";
    height: 100%;
}

.align-middle:before, .align-middle .align-block {
    vertical-align: middle;
    display: inline-block;
}

.align-middle {
    font-size: 0;
}

.align-block {
    font-size: 18px;
}