JSFiddle - React, Tailwind, and code Playground

HTML

<div class="img_thumb">
    <a class="images_class" href="http://i.imgur.com/2FMLuSn.jpg" rel="images">
       <img src="http://i.imgur.com/2FMLuSn.jpg" title="img_title" alt="img_alt" />
    </a>
</div>

CSS

.img_thumb {
    float: left;
    height: 120px;
    margin-bottom: 5px;
    margin-left: 9px;
    position: relative;
    width: 147px;
    background-color: rgba(0, 0, 0, 0.5);
    border-radius: 3px;
    display:flex;
    align-items:center;
    justify-content:center;
}

JavaScript

<div class="img_thumb">
    <a class="images_class" href="http://i.imgur.com/2FMLuSn.jpg" rel="images">
       <img src="http://i.imgur.com/2FMLuSn.jpg" title="img_title" alt="img_alt" />
    </a>
</div>