web/mix.html

<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8">
    <title>Providence Test Singing</title>
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <!-- milligram css -->
    <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Roboto:300,300italic,700,700italic">
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/normalize/5.0.0/normalize.css">
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/milligram/1.3.0/milligram.css">
    <!-- custom styles -->
    <link rel="stylesheet" href="/main.css">
  </head>
  <body>
    <main class="wrapper" id="main">
      <div class="container">

          <div class="videoWrapper">
            <iframe id="video"
                    src="mix-video"
                    frameborder="0"
                    allow="accelerometer; encrypted-media; gyroscope; picture-in-picture"
                    allowfullscreen>
            </iframe>
          </div>

      </div>
    </main>

  </body>
</html>