How do i include my previous projects on my Personal Portfolio?

Hiii everyone I just need help on including my previous projects which is on code-pen to my personal Portfolio which is also on code-pen

Check this page you only need to refer the link of you previous project in the tag ‘a’ <a href="">project</a>
and you also can add an image in the link <a href="previousProjec."><img src="screenshot.jpg" alt="previous project"></a>