JSFiddle - React, Tailwind, and code Playground

HTML

<div class="wrap">
        <img src="https://www.webkit.org/blog-files/acid3-100.png" alt="" />
    </div>

CSS

* {
      margin: 0;
      padding: 0;
    }

    .wrap {
      border-bottom: solid 10px red;
    }

    img {
      background-color: orange;
    }