<h2>CatPhotoApp</h2>
<main><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>
<p>Purr jump eat the grass rip the couch scratched sunbathe, shed everywhere rip the couch sleep inthe sink fluffy fur catnip scratched.</p><main>
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User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/68.0.3440.106 Safari/537.36.
when you have html elements, the tags come in pairs. Look at the <p> tag and notice how it is eventually followed by a </p> ending tag. For a large number of HTML elements, these tags come in pairs.
So going back to the main elements, I ask you, “have you properly paired a start and ending main tag?”