<!DOCTYPE html>
<meta charset="utf-8">
<title>Forced colors mode - forced-color-adjust propagation to viewport.</title>
<style>
  body {
    margin:0;
    overflow: hidden;
  }
  div {
    background-color: green;
    forced-color-adjust: none;
    height: 100vh;
    width: 100vw;
  }
</style>
<div></div>
