JSFiddle - React, Tailwind, and code Playground

HTML

<div class="di_img">
<div class="di_img_cont">
    </div>
</div>

CSS

.di_img {
    width:200px; 
    height:200px; 
    background:#F00;
    position:relative;}
.di_img_cont { 
    background:#0F0; 
    width:50px; 
    position:absolute; 
    height:50px;
bottom:0px;}