CSS | counter-reset Property

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;

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.

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<!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>

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Output:

Example 2: This example use counter-reset property to create section and subsection.

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<!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>                    

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Output:

Supported Browsers: The browser supported by counter-reset property are listed below:

  • Google Chrome 4.0
  • Internet Explorer 8.0
  • Firefox 2.0
  • Safari 3.1
  • Opera 9.6


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