JSFiddle - React, Tailwind, and code Playground

HTML

<div>Resize the window to see the SVG resize (in supported browsers)</div>

CSS

div {
    height:200px;
    border:1px solid red;
    background:#eee url(http://phrogz.net/svg/tiger.svg);
    background-size: 100% auto; /*https://developer.mozilla.org/en/CSS/background-size*/
}