<html>
  <head>
    <meta charset="utf-8" />
    <meta
      name="viewport"
      content="width=device-width, initial-scale=1.0, viewport-fit=cover"
    />
    <style type="text/css">
      #wide {
        background-color: rgb(200, 0, 0);
        width: 100%;
        height: 40px;
      }
    </style>
  </head>
  <body>
    <div id="wide"></div>
  </body>
</html>
