<!doctype html>
<html lang="en-us">
  <head>
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width" />
    <title>image-set() type()</title>
    <link rel="stylesheet" href="styles.css" />
    <style>
      .box {
        width: 400px;
        height: 200px;
        background-repeat: no-repeat;
        background-size: cover;
      }
    </style>

    <style class="editable">
      .box {
        background-image: -webkit-image-set(
          url("large-balloons.avif"),
       