The counter-reset property in CSS is used to create or reset the CSS counter for elements. This property works together with counter-increment property and the content property.
Syntax:
counter-reset = none|name number|initial|inherit;
Default Value:
- none
Property Values:
- none: It is the default value. This value does not reset the counter.
- name number: The value to reset the counter on each occurrence of the element. The default value is 0 if not specified.
- initial: It sets the counter-reset property to its default value.
- inherit: The element inherits the property from its parent element.
Example 1: This example use counter-reset property to create section.
html
<!DOCTYPE html> <html>
<head>
<!-- CSS property to set counter-reset property -->
<style>
/* set chapter counter to 0*/
body {
counter-reset: chapter;
}
.chapter:before {
content: counter(chapter) ". ";
display: inline;
}
.chapter {
/* Increment the chapter counter by 1,
same as counter-increment: chapter 1; */
counter-increment: chapter;
/* set section counter to 0 */
counter-reset: section;
font-size: 20px;
font-weight: bold;
}
</style>
</head>
<body>
<h1>GeeksforGeeks</h1>
<div class = "chapter">HTML</div>
<div class = "chapter">CSS</div>
<div class = "chapter">PHP</div>
</body>
</html>
|
Output:
Example 2: This example use counter-reset property to create section and subsection.
html
<!DOCTYPE html> <html>
<head>
<!-- CSS style to create counter-reset property -->
<style>
body {
counter-reset: section;
}
h1 {
counter-reset: category;
}
h1:before {
counter-increment: section;
content: "Section " counter(section) ". ";
}
h3:before {
counter-increment: category;
content: counter(section) "." counter(category) " ";
}
</style>
</head>
<body>
<h1>GeeksforGeeks</h1>
<h3>HTML</h3>
<h3>CSS </h3>
<h1>References</h1>
<h3>HTML Tags</h3>
<h3>CSS Properties</h3>
</body>
</html>
|
Output:
Supported Browsers: The browser supported by counter-reset property are listed below:
- Google Chrome 2.0
- Edge 12.0
- Internet Explorer 8.0
- Firefox 1.0
- Safari 3.0
- Opera 9.2