The counter-increment CSS property is used to increase the value of CSS Counters by a given value. The counter’s value can be reset using the counter-reset CSS property.
Initialnone
Applies toall elements
Inheritedno
Mediaall
Computed Valueas specified
Animatableno
Canonical orderthe unique non-ambiguous order defined by the formal grammar
Syntax
Formal syntax: [<user-ident> <integer>?]+ | none
counter-increment: counter-name /* Increment counter-name by 1 */
counter-increment: counter-name -1 /* Decrement counter-name by 1 */
counter-increment: counter1 counter2 -4 /* Increment counter1 by 1, and decrement counter2 by 4 */
counter-increment: none /* Do not increment/decrement anything: used to hide less specific values */
counter-increment: inherit
Values
<user-ident>
The name of the counter to increment.
<integer>
The value to add to the counter. Defaults to 1 if not given.
none
No counter must be incremented. This is used as the default value, or to cancel an increment in more specific rules.
You may specify as many counters to increment as you want, each separated by a space.
Examples
1
h1{
2
counter-increment: chapter section 2page;
3
/* Increases the value of the chapter and page counters by 1
