I'm doing id=footer and it's not working

HTML-CSS
#1

Tell us what’s happening:

Your code so far



<h1>Hello World</h1>
<!--
<h2>CatPhotoApp</h2>-->
<p>Kitty ipsum dolor sit amet, shed everywhere shed everywhere stretching attack your ankles chase the red dot, hairball run catnip eat the grass sniff.</p>

Your browser information:

User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.130 Safari/537.36.

Challenge: Comment out HTML

Link to the challenge:
https://www.freecodecamp.org/learn/responsive-web-design/basic-html-and-html5/comment-out-html

#2

You have not told us what you need help with or asked any questions.

The code you included doesn’t have anything to do with your topic title.

Please share your current code and tell us what is happening.

#3