JSFiddle - React, Tailwind, and code Playground

HTML

<div class="container">
    <div class="first-image"></div>
    <div class="second-image"></div>
</div>

CSS

.container {
    position: relative;
}

.first-image {
    width: 200px;
    height: 200px;
    background: green;
}

.second-image {
    width: 100px;
    height: 100px;
    background: red;
    position: absolute;
    top: 0;
    left: 0;
}