Use a CSS Class to Style an Element. Plece help to soulv

HTML-CSS
1

Tell us what’s happening:

Your code so far

<style>
  h2 {
    color: blue;
  }
</style>

<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:

Your Browser User Agent is: Mozilla/5.0 (Linux; Android 7.0; IF9001 Build/NRD90M) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.83 Mobile Safari/537.36.

Link to the challenge:
https://www.freecodecamp.org/challenges/use-a-css-class-to-style-an-element

2

Your h2 element should be red.
Your stylesheet should declare a red-text class and have its color set to red.
And you have to add class to your h2:
<h2 class="">CatPhotoApp</h2>

It’s simple. Just read carefully