JSFiddle - React, Tailwind, and code Playground

HTML

<div class="blog-image">
    <img class="img-responsive" src="http://i.imgur.com/NA5fWjA.png">
    <div class="pixel-overlay"></div>
</div>

CSS

.blog-image {
    position: relative;
    display: inline-block;
}
.pixel-overlay {
    position:absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    background: rgba(255, 0, 0, 0.4);
}