Learn HTML by Building a Cat Photo App - Step 1

HTML-CSS
1

Tell us what’s happening:
Describe your issue in detail here. It keep appearing that i am using extension that doesnt support fcc. i dont understand what meants by extension here.

Your code so far

<html>
  <body>
    <h1>CatPhotoApp</h1>
  </body>
</html>

Your mobile information:

SM-A556E - Android 14 - Android SDK 34

Challenge: Learn HTML by Building a Cat Photo App - Step 1

Link to the challenge:

2

You appear to have created this post without editing the template. Please edit your post to Tell us what’s happening in your own words.
Learning to describe problems is hard, but it is an important part of learning how to code.
Also, the more you say, the more we can help!

3

move onto step 2, there is a bug