<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <style>
    html, body {
      padding: 0;
      margin: 0;
    }
    body {
      background: rgb(0,255,0);
      min-height: 200vh;
    }
  </style>
  <script>
    window.addEventListener("DOMContentLoaded", () => {
      console.log(window.screen);
    });
  </script>
</head>
<body>
</body>
</html>
