:nth-last-child()

The :nth-last-child(an+b) pseudo-class notation represents an element that has an+b-1 siblings after it in the document tree, for any positive integer or zero value of n. 6.6.5.3. :nth-last-child() pseudo-class

Links about :nth-last-child()

1. :nth Tester

   by CSS Tricks

   

2. Quantity Queries for CSS

   posted on March 3, 2015 by Heydon Pickering

   In responsive design, we think a lot about space, especially in the context of screen sizes. But the amount of content or the number of elements is bound to affect space, too, just as unpredictably…

   

3. :nth-last-child()

   posted on September 18, 2018 by MDN

   The :nth-last-child() CSS pseudo-class matches elements based on their position among a group of siblings, counting from the end.

   

Code sample

li:nth-last-child(2n) {
  border: 5px solid fuchsia;
}