css-cascade

Question 1

What are the four components of “the Cascade”.

Answer 1

1. source order
2. inheritance
3. specificity
4. !important

Question 2

What does the term “source order” mean with respect to CSS?

Answer 2

The order that your CSS rules are written in your stylesheet.

Question 3

How is it possible for the styles of an element to be applied to its children as well without an additional CSS rule?

Answer 3

inheritance

Question 4

List the three selector types in order of increasing specificity.

Answer 4

1. type selectors
2. class selectors
3. ID selectors

Question 5

Why is using !important considered bad practice?

Answer 5

It makes debugging more difficult by breaking the natural cascading in your stylesheets.