DevGuru CSS2: max-width

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PROPERTY: max-width

max-width : none | length | percentage

Compatibility: Currently not supported by any browser
Version: Level 2
Inherited: No

The max-width property is used to set the maximum width of an element. Other properties can be used to set the height, width, maximum height, minimum height and the minimum width.

If a specified value for max-width is less than a previously specified value for min-width for the same element, then max-width is set to the value of min-width. If the specified value for min-width is greater than the width value for the same element, then width is set to the value of min-width.

none

The none value specifies that there are no width limits imposed on the element.

length

The length value specifies the maximum width of the element and can be in any of the following seven units. Use the abbreviation.

Length	Abbrev.
centimeters	cm
ems	em
inches	in
millimeters	mm
picas	pc
pixels	px
points	pt

percentage

The percentage value specifies the width of the element as a percentage of the width of the containing block (i.e., the block that contains the element). It is a positive integer number. The percent sign is mandatory.

Code:
p {max-width: 210px;}
p {max-width: 200%;}