Here is an ordered list:
<ol>
    <li>First do this</li>
    <li>then do that</li>
    <li>finally to that other thing</li>
</ol>
Here is an un-ordered list:
<ul>
    <li>dogs</li>
    <li>cats</li>
    <li>horses</li>
</ul>

External CSS

This Pen doesn't use any external CSS resources.

External JavaScript

This Pen doesn't use any external JavaScript resources.