JSFiddle - React, Tailwind, and code Playground

HTML

<div id="homeGallery">
    <span class="imgClass">
        <span class="fakeImg">You can use whatever img you want here</span>
    </span>
</div>

CSS

#homeGallery{
    height: 400px;
    border: 1px solid #333;
    text-align: center;
}
#homeGallery:before{
    content: '';
    height: 100%;
    vertical-align: middle;
    display: inline-block;
}

.imgClass{
    display: inline-block;
    vertical-align: middle;
    text-align: left;
    background-color: blue;
}