JSFiddle - React, Tailwind, and code Playground

HTML

<img src="https://i.postimg.cc/cCKv8KYf/Layer-7.png" alt="">

CSS

* {
  margin: 0;
  padding: 0;
}

img {
  border: 1px solid black;
  position: relative;
}

img:before {
  content:'';
  position: absolute;
  top: 0;
  bottom: 0;
  right: 0;
  left: 0;
  background-color: rgba(0,0,0,0.5);
  z-index: 1;
}