counter-increment

The counter-increment property accepts one or more counters, each one optionally followed by an integer which indicates the value incremented for every occurrence of an element. The default increment is 1. Zero and negative integers are allowed.

CSS2

counter-increment: [ <identifier> <integer>? ]+ | none | inherit
Initial: none
Applies To: all elements
Inherited: no
Percentages: NA
Media: all

Note: Doctype is required for Internet Explorer 8+

Values

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counter-increment: value;
 
Value: Description:
identifier One or more characters a-zA-Z, digits 0-9, hyphen -, or underscore _ and cannot start with a digit or a hyphen followed by a digit
inherit Takes the same computed value as the property for the element's parent
integer One or more digits 0-9
none Counters are not incremented

Example | Values | identifier

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Example | Values | integer

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Example | Values | none

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Reference

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