index.html

<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <title>Page Title</title>
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <link rel="stylesheet" type="text/css" media="screen" href="index.css">
  <style>
    body {
      font-family: 'DINWeb', sans-serif;
      font-size: 64px;
    }

    .light {
      font-weight: 200;
    }

    .medium {
      font-weight: 500;
    }

    .bold {
      font-weight: 700;
    }

    .italic {
      font-style: italic;
    }

  </style>
</head>
<body>
  <p>DINWeb Regular</p>
  <p class="light">DINWeb Light</p>
  <p class="medium">DINWeb Medium</p>
  <p class="bold">DINWeb Bold</p>
  <hr />
  <p class="italic">DINWeb Regular Italic</p>
  <p class="light italic">DINWeb Light Italic</p>
  <p class="medium italic">DINWeb Medium Italic</p>
  <p class="bold italic">DINWeb Bold Italic</p>

</body>
</html>