|Parameter |Detail| |——— |——| |content-box
|Width and height of the element only includes content area.| |padding-box
|Width and height of the element includes content and padding. | |border-box
|Width and height of the element includes content, padding and border. | |initial
|Sets the box model to its default state.| |inherit
|Inherits the box model of the parent element.|
This value was only implemented by Firefox and thus should not be used. It was removed in Firefox version 50.0.