Warning! It seems that you are using Dodona within another webpage, so not everything may work properly. Let your teacher know so that he can solve the problem by adjusting a setting in the learning environment. In the meantime, you can click this link to open Dodona in a new window.
Connect external CSS to HTML (Bootstrap)
Sign in to test your solution.
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>External CSS</title>
</head>
<body>
<div class="alert alert-danger" role="alert">
It's a simple danger alert — check it out!
</div>
</body>
</html>
You can submit as many times as you like. Only your latest submission will be taken into account.
Sign in to test your solution.