“Ctrl+/”
“F11/ESC”
<!DOCTYPE html>
<html>
<body>
<p><font size="6">This is some text!</font></p>
<p>The size attribute was deprecated in HTML 4, and is not supported in HTML 4.01 Strict DTD or in XHTML 1.0 Strict DTD. Use CSS instead.</p>
</body>
</html>