It's another rapid-fire multi-question show this week. Ed has some more questions about CSS, and (hopefully) Tom has some answers. Join us as we dive into the intricacies of the box model, and learn why the dev tools are your friend. Remember: if in doubt, inspect the element!

How do you break up different css files? What do we mean when we talk about "Critical Path" CSS? What is the "cascade", and how does it impact "specificity"? What are css custom properties and `calc()`? Find out all this and more in this week's rapid-fire instalment of A Question of Code.

Mentioned in this episode:

• Sass (scss)
• Critical Path CSS
• ITCSS
• CSS custom properties
• The CSS Tricks Guide to Flexbox