Block elements define blocks of text in a document, such as paragraphs or lists, and appear with a line break before and after them. Block-level contents are enclosed by a rectangular box which, besides acting as a container, is used for positioning calculations.

bottom, left, right, top | direction | display | float | position | unicode-bidi | z-index

bottom, left, right, top
Specifies the distance between the top, bottom, left, and right edge of the element's box and the top, bottom, left, and right edge of the parent (i.e. containing) block.
CSS2 value	<length> | <percentage> | auto | inherit
Initial value	auto
Applied to	All elements.
Inherited	No.
Notes	The percentage value is applied to the parent block height.
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direction
Specifies the default writing direction of the element's content (i.e. from left to right or from right to left).
CSS1 value	ltr | rtl
CSS2 value	inherit
Initial value	ltr
Applied to	All elements.
Inherited	Yes.
Notes	Consult the unicode-bidi property to check the other properties provided with respect to text direction.
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display
Indicates how a block content box should be generated.
CSS1 value	inline | block | list-item
CSS2 value	run-in | compact | marker | table | inline-table | table-row-group | table-column-group | table-header-group | table-footer-group | table-row | table-cell | table-caption | none | inherit
Initial value	inline
Applied to	All elements
Inherited	No.
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float
Specifies whether an object should float to the left, to the right or not at all.
CSS1 value	none | left | right
CSS2 value	inherit
Initial value	none
Applied to	Elements not placed with an absolute positioning.
Inherited	No.
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position
Determines the CSS2 positioning algorithm used to calculate an object's coordinates.
CSS2 value	static | <relative> | <absolute> | fixed | inherit
Initial value	static
Applied to	All elements except for generated contents.
Inherited	No.
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unicode-bidi
Controls the embedding levels and the reordering with regard to the bidirectional algorithm when elements contain a mixed-language text with different writing directions.
CSS2 value	normal | embed | bidi-override | inherit
Initial value	normal
Applied to	All elements.
Inherited	No.
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z-index
Specifies the element's stacking level and whether it establishes a local stacking context.
CSS2 value	auto | <integer> | inherit
Initial value	auto
Applied to	Positioned elements.
Inherited	No.
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