it keeps saying running test when I click run the test button but nothing happens
Just refresh the browser 
Give the challenge link and show your code
its usually a syntax error show us the code
it keeps saying on all exercise………………with a correct syntax too
You need to post your code, so we can see what the problem is.
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ell us what’s happening:
I cant solve this
1 Your code should have one main element
2. The main element should have two paragraph elements as children.
3.The opening main tag should come before the first paragraph tag.
4. The closing main tag should come after the second closing paragraph tag.
Your code so far
CatPhotoApp
Kitty ipsum dolor sit amet, shed everywhere shed everywhere stretching attack your ankles chase the red dot, hairball run catnip eat the grass sniff.
Purr jump eat the grass rip the couch scratched sunbathe, shed everywhere rip the couch sleep in the sink fluffy fur catnip scratched.
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Link to the challenge:
https://learn.freecodecamp.org/responsive-web-design/basic-html-and-html5/introduction-to-html5-elements