Hi,
I am just going through the CSS Specificity on one of Stefan's courses and I remembered an article I read (many years ago) on Andy Clarkes website - www.stuffandnonsense.co.uk where he explains CSS specificity using Star Wars characters.
To read the article (unfortunatelly plain HTML without styling due to being an archive from 2005) go here:
https://stuffandnonsense.co.uk/archives/css_specificity_wars.html