Adjust the Hover State of an Anchor Tag does not work

HTML-CSS
1

Fire fox and chrome are not working to process the code.

a:hover {
color: blue;
}

Your code so far


<style>
  a {
    color: #000;
  }
  a:hover {
  color: blue;
}
  
  
  
</style>
<a href="http://freecatphotoapp.com/" target="_blank">CatPhotoApp</a>

Your browser information:

User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/77.0.3865.90 Safari/537.36.

Link to the challenge:
https://learn.freecodecamp.org/responsive-web-design/applied-visual-design/adjust-the-hover-state-of-an-anchor-tag/

2

i copied paste what you had and I pased the test. Try a diffrend browser/reset lesson and copy paste it.