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align-content align-items align-self all animation animation-delay animation-direction animation-duration animation-fill-mode animation-iteration-count animation-name animation-play-state animation-timing-function backface-visibility background background-attachment background-blend-mode background-clip background-color background-image background-origin background-position background-repeat background-size border border-bottom border-bottom-color border-bottom-left-radius border-bottom-right-radius border-bottom-style border-bottom-width border-collapse border-color border-image border-image-outset border-image-repeat border-image-slice border-image-source border-image-width border-left border-left-color border-left-style border-left-width border-radius border-right border-right-color border-right-style border-right-width border-spacing border-style border-top border-top-color border-top-left-radius border-top-right-radius border-top-style border-top-width border-width bottom box-decoration-break box-shadow box-sizing break-after break-before break-inside caption-side caret-color @charset clear clip clip-path color column-count column-fill column-gap column-rule column-rule-color column-rule-style column-rule-width column-span column-width columns content counter-increment counter-reset cursor direction display empty-cells filter flex flex-basis flex-direction flex-flow flex-grow flex-shrink flex-wrap float font @font-face font-family font-feature-settings font-kerning font-size font-size-adjust font-stretch font-style font-variant font-variant-caps font-weight gap grid grid-area grid-auto-columns grid-auto-flow grid-auto-rows grid-column grid-column-end grid-column-gap grid-column-start grid-gap grid-row grid-row-end grid-row-gap grid-row-start grid-template grid-template-areas grid-template-columns grid-template-rows hanging-punctuation height hyphens image-rendering @import isolation justify-content @keyframes left letter-spacing line-height list-style list-style-image list-style-position list-style-type margin margin-bottom margin-left margin-right margin-top mask-image mask-mode mask-origin mask-position mask-repeat mask-size max-height max-width @media min-height min-width mix-blend-mode object-fit object-position opacity order orphans outline outline-color outline-offset outline-style outline-width overflow overflow-wrap overflow-x overflow-y padding padding-bottom padding-left padding-right padding-top page-break-after page-break-before page-break-inside perspective perspective-origin pointer-events position quotes resize right row-gap scroll-behavior tab-size table-layout text-align text-align-last text-decoration text-decoration-color text-decoration-line text-decoration-style text-indent text-justify text-overflow text-shadow text-transform top transform transform-origin transform-style transition transition-delay transition-duration transition-property transition-timing-function unicode-bidi user-select vertical-align visibility white-space widows width word-break word-spacing word-wrap writing-mode z-index



CSS counter() Function

❮ CSS Functions Reference

Example

Create a counter for the page (in the body selector). Increment the counter value for each <h2> element, and add the text "Section <value of the counter>:" before each <h2> element:

body {
  counter-reset: section;
}

h2::before {
  counter-increment: section;
  content: "Section " counter(section) ": ";
}
Try it Yourself »

More "Try it Yourself" examples below.


Definition and Usage

The counter() function returns the current value of the named counter, as a string.

Version: CSS3

Browser Support

Function
counter() Yes Yes Yes Yes Yes

CSS Syntax

counter(countername, counterstyle)
Value Description
countername Required. The name of the counter (which is the same name used for the counter-reset and counter-increment properties)
counterstyle Optional. The style of the counter (can be a list-style-type value)

More Examples

Example

Set the style of the counter:

body {
  counter-reset: section;
}

h2::before {
  counter-increment: section;
  content: "Section " counter(section, upper-roman) ": ";
}
Try it Yourself »

Related Pages

CSS reference: content property

CSS reference: counter-increment property

CSS reference: counter-reset property


❮ CSS Functions Reference