<!DOCTYPE html>
<html class="reftest-wait">
<head>
    <link rel="author" title="Tim Nguyen" href="https://github.com/nt1m">
    <link rel="match" href="fullscreen-root-fills-page-ref.html">
    <style>
        html {
            background-color: red;
            height: 100%;
            overflow: hidden;

            /* These should be no-op */
            top: 200px;
            left: 200px;
            right: 200px;
            bottom: 200px;
        }

        html, body {
            margin: 0;
     