How to apply google font only for heading

Tell us what’s happening:
the lobster font is applied to heading and paragraph but i want that font only for heading not for paragraph

Your code so far

<link href="https://fonts.googleapis.com/css?family=Lobster" rel="stylesheet" type="text/css">
<style>
  .red-text {
    
    color: red;
    font-family:Lobster;
  }

  p {
   
    font-size: 16px;
    font-family: Monospace;
  }
</style>

<h2 class="red-text">CatPhotoApp</h2>

<p class="red-text">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 class="red-text">Purr jump eat the grass rip the couch scratched sunbathe, shed everywhere rip the couch sleep in the sink fluffy fur catnip scratched.</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/64.0.3282.167 Safari/537.36.

Link to the challenge:
https://www.freecodecamp.org/challenges/import-a-google-font

The font-family: Lobster is defined as a property of .red-text. All of your elements have the red-text class, so all of them get the Lobster font. Try changing the .red-text selector to a plain h2 selector.