Missing one thing and i cant figure it out lol

Tell us what’s happening: dont know what im suppose to do with the stylesheet. unsure what a style sheet is

Your code so far

  h2 {
   color: red;

<h2 class="red-text">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:

Your Browser User Agent is: Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/61.0.3163.100 Safari/537.36.

Link to the challenge:

stylesheet is what goes between the style tags

Please use this thread if you have any additional questions about this challenge.