This bar has a width of 320 pixels !
This bar has a width of 336 pixels !
This bar has a width of 352 pixels !
This bar has a width of 368 pixels !
This box has a width of 320px with 8px padding !
This box has a width of 320px with 8px border !
This box has a width of 320px with 8px margin !
This box has a width of 320px with 8px padding, 8px border and 8px margin !
This bar has a width of 368 pixels !