IDs & Classes: Problem

<!DOCTYPE html>
<html>
<head>
    <title>Movies and Shows</title>
</head>
<body>
<h1>Amazing Movies and TV Shows Ever!</h1>
<ol>
    <li>Finding Dory</li>
    <li>Game of Thrones</li>
    <li>Star Wars: The Force Awakens</li>
    <li>Life of Pi</li>
    <li>Dancing with the Stars</li>
    <li>The Walking Dead</li>
</ol>
</body>
</html>