JSFiddle - React, Tailwind, and code Playground

HTML

<div class="shadow"><img class="default" src="http://www.vulgaris-medical.com/sites/default/files/styles/big-lightbox/public/field/image/actualites/2016/02/12/le-chat-source-de-bienfaits-pour-votre-sante.jpg" alt=""></div>

CSS

.shadow {
  box-shadow: 0 0 20px 0 red inset;
  display:inline-block;
  line-height:0;
}
.shadow img {
  z-index:-1;
  position:relative;
}