About
A block container box is just a container of boxes created from HTML container element and rendered as a block box.
It can contains either:
- only block-level boxes (generated from elements)
- or establishes an inline formatting context and thus contains only inline-level boxes.
Not all block container boxes are block boxes:
- non-replaced inline blocks
- and non-replaced table cells
are block containers but not block-level boxes.
HTML Element
HTML element that are generally use as a block container box: