# CSS - Box Size

## About

Sizing of a box

The width and the height of a box are dependent of the:

- and of the box sizing parameters

The sizes are calculated with respect to the edges of a rectangular box called a containing block.

Sizing of a box

The width and the height of a box are dependent of the:

- and of the box sizing parameters

The sizes are calculated with respect to the edges of a rectangular box called a containing block.