counter-increment
The counter-increment
CSS property increases or decreases the value of a CSS counter by a given value.
Try it
Note: The counter's value can be reset to an arbitrary number using the counter-reset
CSS property.
Syntax
css
/* Increment "my-counter" by 1 */
counter-increment: my-counter;
/* Decrement "my-counter" by 1 */
counter-increment: my-counter -1;
/* Increment "counter1" by 1, and decrement "counter2" by 4 */
counter-increment: counter1 counter2 -4;
/* Do not increment/decrement anything: used to override less specific rules */
counter-increment: none;
/* Global values */
counter-increment: inherit;
counter-increment: initial;
counter-increment: revert;
counter-increment: revert-layer;
counter-increment: unset;
The counter-increment
property is specified as either one of the following:
- A
<custom-ident>
naming the counter, followed optionally by an<integer>
. You may specify as many counters to increment as you want, with each name or name-number pair separated by a space. - The keyword value
none
.
Values
<custom-ident>
-
The name of the counter to increment.
<integer>
-
The value to add to the counter. Defaults to
1
if not specified. none
-
No counter must be incremented. This is used as the default value, or to cancel an increment in more specific rules.
Formal definition
Initial value | none |
---|---|
Applies to | all elements |
Inherited | no |
Computed value | as specified |
Animation type | by computed value type |
Formal syntax
Examples
Incrementing named counters
css
h1 {
counter-increment: chapter section 2 page;
/* Increases the value of the chapter and page counters by 1,
and the section counter by 2 */
}
Specifications
Specification |
---|
CSS Lists and Counters Module Level 3 # increment-set |
Browser compatibility
BCD tables only load in the browser
See also
- Using CSS Counters
counter-reset
counter-set
@counter-style
- The
counter()
andcounters()
functions