>before</blockquote>

<h2>@keyframes</h2>
<blockquote style="animation: internal 3s linear infinite;">internal-keyframes</blockquote>

<h2>Removed elements</h2>
<video id="removed-internal" style="font-family: removed;">removed-internal</video>
<video id="removed-keyframes" style="animation: removed 3s linear infinite;">removed-keyframes</video>
</body>
</html>
