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:for the root element). The details of how a containing block's dimensions are calculated are described in the next chapter. 9.2 Controlling box generation The following sections describe the types of boxes that may be generated in CSS2. A box's type affects, in part, its behavior in the visual formatting model. The 'display' property, described below, specifies a box's type. 9.2.1 Block-level elements and block boxes Block-level elements are those elements of the source document that are formatted visually as blocks (e.g., paragraphs). Several values of the 'display' property make an element block-level: 'block', 'list-item', 'compact' and 'run-in' (part of the time; see compact and run-in boxes), and 'table'. Block-level elements generate a principal