counter-set
The counter-set CSS property sets CSS counters to the given values.
The counter-set property will create a new counter for each named counter in the list of space-separated counter and value pairs that doesn't already exist. If a named counter in the list is missing a value, the value of the counter will be set to 0.
Try it
Note: The counter's value can be incremented or decremented using the counter-increment CSS property.
Syntax
/* Set "my-counter" to 0 */
counter-set: my-counter;
/* Set "my-counter" to -1 */
counter-set: my-counter -1;
/* Set "counter1" to 1, and "counter2" to 4 */
counter-set: counter1 1 counter2 4;
/* Cancel any counter that could have been set in less specific rules */
counter-set: none;
/* Global values */
counter-set: inherit;
counter-set: initial;
counter-set: revert;
counter-set: revert-layer;
counter-set: unset;
The counter-set 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 reset 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 set.
<integer>-
The value to set the counter to on each occurrence of the element. Defaults to
0if not specified. If there isn't currently a counter of the given name on the element, the element will create a new counter of the given name with a starting value of0(though it may then immediately set or increment that value to something different). none-
No counter set is to be performed. This can be used to override a
counter-setdefined in a less specific rule.
Formal definition
| Initial value | none |
|---|---|
| Applies to | all elements |
| Inherited | no |
| Computed value | as specified |
| Animation type | by computed value type |
Formal syntax
Examples
Setting named counters
h1 {
counter-set: chapter section 1 page;
/* Sets the chapter and page counters to 0,
and the section counter to 1 */
}
Specifications
| Specification |
|---|
| CSS Lists and Counters Module Level 3 # propdef-counter-set |
Browser compatibility
| desktop | mobile | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
counter-set | |||||||||||
list-item | |||||||||||
none | |||||||||||
See also
- Using CSS Counters
counter-incrementcounter-reset@counter-stylecounter()andcounters()functionscontentproperty- CSS lists and counters module
- CSS counter styles module