<!--
<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/68.0.3440.106 Safari/537.36.
You made a small mistake at the beginning and the end of your code.
Your <p> element is p> at the beginning and </p at the end. it normally should start with normal <p> and ends with usual </p>, you shouldn’t change it.
The same thing goes for your h1, it should end with </h1> and not an </h1.