Margin, Padding and Border in Practice

Write padding and margin in one line with the clockwise shorthands, frame a box with border and border-radius, center it with auto margins, and know why two margins can turn into one.

Updated

Cheat sheet: Margin, Padding and Border in Practice
Category
CSS
Level
Apprentice
Tags
Auto margin, Border, Border radius, CSS, Margin collapsing, web-development