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 #### CSS Questions:
 
-* What is the difference between classes and IDs in CSS?
+* What CSS selector specificity and how does it work?
 * What's the difference between "resetting" and "normalizing" CSS? Which would you choose, and why?
 * Describe Floats and how they work.
 * Describe z-index and how stacking context is formed.
@@ -92,7 +92,6 @@ This file contains a number of front-end interview questions that can be used wh
 * List as many values for the display property that you can remember.
 * What's the difference between inline and inline-block?
 * What's the difference between a relative, fixed, absolute and statically positioned element?
-* The 'C' in CSS stands for Cascading.  How is priority determined in assigning styles (a few examples)?  How can you use this system to your advantage?
 * What existing CSS frameworks have you used locally, or in production? How would you change/improve them?
 * Have you played around with the new CSS Flexbox or Grid specs?
 * How is responsive design different from adaptive design?