title: Redefining selector to be used in a different way for the rest of the code
body: <p>Supposing I have 20 p tags in my html code, I want 10 to be red and 10 be green. How would I do this in with a link tag in my html code to css stylesheet?</p>
  
  <p>I'm a complete beginner learning from codeacademy so please use beginner terms for me to understand.</p>