<!DOCTYPE html>
<html>
<head>
<title>Loving the font changes</title>
</head>
<body>
<h1 style="font-family: Arial">Big title</h1>
<ol>
<li>This item is big Arial.</li>
<li>This item is medium Verdana.</li>
<li>This item is small Impact.</li>
</ol>
</body>
</html>
uhm… this is the code provided by the exercise, what you you tried?
I would start by adding the style attribute to the list opening tag:
<li style="">This item is big Arial.</li>
next time: