Border around specific rows in a table?

Question

I\'m trying to design some HTML/CSS that can put a border around specific rows in a table. Yes, I know I\'m not really supposed to use tables for layout but I don\'t know en

Answer 1

Group rows together using the tag and then apply style.

  
No Style here
  

    
Style me
    
And me
  
  
No Style here
  

And the css in style.css

.red-outline {
  outline: 1px solid red;
}