<!doctype html>
<html>
  <head>
    <meta charset="utf-8"/>
    <title>Bits of Rust</title>
    <link rel="stylesheet" href="css/bits-of-rust.css"/>
  </head>
  <body>
    <div class="portal"></div>
  </body>
</html>

<!doctype html>
<html>
  <head>
    <meta charset="utf-8"/>
    <title>Bits of Rust</title>
    <link rel="stylesheet" href="css/bits-of-rust.css"/>
  </head>
  <body>
    <a class="portal" href="https://www.youtube.com/channel/UCHzHEc3q4RfLH0bSSZ5VzqQ/" alt="Go to the youtube channel"></a>
  </body>
</html>

Make portal into a link to the youtube channel
Make portal into a link to the youtube channel