What is a grid system in CSS?

State the elements of the CSS Box Model

What is 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.

Describe BFC (Block Formatting Context) and how it works.

What are the various clearing techniques and which is appropriate for what context?

How would you approach fixing browser-specific styling issues?

How do you serve your pages for feature-constrained browsers?

What techniques/processes do you use?

What are the different ways to visually hide content (and make it available only for screen readers)?

Have you ever used a grid system, and if so, what do you prefer?

Have you used or implemented media queries or mobile specific layouts/CSS?

Are you familiar with styling SVG?

Can you give an example of an @media property other than screen?

What are some of the 'gotchas' for writing efficient CSS?

What are the advantages/disadvantages of using CSS preprocessors?

Describe what you like and dislike about the CSS preprocessors you have used.

How would you implement a web design comp that uses non-standard fonts?

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TOP CSS Interview Questions