CSS3 Box Model

Each HTML tag can be viewed as a box;

Each box has: border (margin), border (border), fill (padding), content four properties;

Each property consists of four parts: top, right, bottom, and left. These four parts can be set at the same time. can also be set separately.

Not too clear to see the picture

The picture is drawn by a brother on the network. Thank you in this way because it is too long to store in local time. Do not know the source, please understand!

CSS3 Box Model