css-responsive-layout

Question 1

What is a breakpoint in responsive Web design?

Answer 1

the “point” (height or width) that layout format begins to change to adapt to the new size of the width or height

Question 2

What is the advantage of using a percentage (e.g. 50%) width instead of a fixed (e.g. px) width for a “column” class in a responsive layout?

Answer 2

they scale to fit the size of growing or shrinking webpages. static properties remain the same.

you can have less breakpoints

Question 3

If you introduce CSS rules for a smaller min-width after the styles for a larger min-width in your style sheet, the CSS rules for the smaller min-width will “win”. Why is that?

Answer 3

cascade source order