About CSS Box-Model and Flow

from: https://www.brainjar.com/css/positioning/default.asp Box: 1. Margins are always transparent. 2. Background settings aplly to padding and content areas. 3. The width and height of each box is equal to the width and height of the outer margin box. 4. The browser window serves as the root box. 5. There are two basic types of boxes: block( generated by elements such as from: https://www.brainjar.com/css/positioning/