Style declaration should end with a ;

<h2 style="color:red;">CatPhotoapp

  <p>Click here to view more <a href="#">cat photos</a>.</p>
  <a href="#"><img src='//' alt="A cute orange cat lying on its back."></a>

Hey @aman353,
Whenever you need help, use the “Ask For Help” button the challenge page, it posts your code as well as link to the challenge and it is easier for us to help.