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CSS References

CSS Reference CSS Browser Support CSS Selectors CSS Combinators CSS Pseudo-classes CSS Pseudo-elements CSS At-rules CSS Functions CSS Reference Aural CSS Web Safe Fonts CSS Fallback Fonts CSS Animatable CSS Units CSS PX-EM Converter CSS Colors CSS Color Values CSS Default Values CSS Entities

CSS Properties

accent-color 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 aspect-ratio backdrop-filter backface-visibility background background-attachment background-blend-mode background-clip background-color background-image background-origin background-position background-position-x background-position-y background-repeat background-size block-size border border-block border-block-color border-block-end border-block-end-color border-block-end-style border-block-end-width border-block-start border-block-start-color border-block-start-style border-block-start-width border-block-style border-block-width border-bottom border-bottom-color border-bottom-left-radius border-bottom-right-radius border-bottom-style border-bottom-width border-collapse border-color border-end-end-radius border-end-start-radius border-image border-image-outset border-image-repeat border-image-slice border-image-source border-image-width border-inline border-inline-color border-inline-end border-inline-end-color border-inline-end-style border-inline-end-width border-inline-start border-inline-start-color border-inline-start-style border-inline-start-width border-inline-style border-inline-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-start-end-radius border-start-start-radius 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-reflect box-shadow box-sizing break-after break-before break-inside caption-side caret-color @charset clear clip clip-path color color-scheme 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 counter-set 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-start grid-row grid-row-end grid-row-start grid-template grid-template-areas grid-template-columns grid-template-rows hanging-punctuation height hyphens hyphenate-character image-rendering @import initial-letter inline-size inset inset-block inset-block-end inset-block-start inset-inline inset-inline-end inset-inline-start isolation justify-content justify-items justify-self @keyframes left letter-spacing line-height list-style list-style-image list-style-position list-style-type margin margin-block margin-block-end margin-block-start margin-bottom margin-inline margin-inline-end margin-inline-start margin-left margin-right margin-top marker marker-end marker-mid marker-start mask mask-clip mask-composite mask-image mask-mode mask-origin mask-position mask-repeat mask-size mask-type max-block-size max-height max-inline-size max-width @media min-block-size min-inline-size min-height min-width mix-blend-mode object-fit object-position offset offset-anchor offset-distance offset-path offset-position offset-rotate opacity order orphans outline outline-color outline-offset outline-style outline-width overflow overflow-anchor overflow-wrap overflow-x overflow-y overscroll-behavior overscroll-behavior-block overscroll-behavior-inline overscroll-behavior-x overscroll-behavior-y padding padding-block padding-block-end padding-block-start padding-bottom padding-inline padding-inline-end padding-inline-start padding-left padding-right padding-top page-break-after page-break-before page-break-inside paint-order perspective perspective-origin place-content place-items place-self pointer-events position @property quotes resize right rotate row-gap scale scroll-behavior scroll-margin scroll-margin-block scroll-margin-block-end scroll-margin-block-start scroll-margin-bottom scroll-margin-inline scroll-margin-inline-end scroll-margin-inline-start scroll-margin-left scroll-margin-right scroll-margin-top scroll-padding scroll-padding-block scroll-padding-block-end scroll-padding-block-start scroll-padding-bottom scroll-padding-inline scroll-padding-inline-end scroll-padding-inline-start scroll-padding-left scroll-padding-right scroll-padding-top scroll-snap-align scroll-snap-stop scroll-snap-type scrollbar-color tab-size table-layout text-align text-align-last text-decoration text-decoration-color text-decoration-line text-decoration-style text-decoration-thickness text-emphasis text-emphasis-color text-emphasis-position text-emphasis-style text-indent text-justify text-orientation text-overflow text-shadow text-transform text-underline-offset text-underline-position top transform transform-origin transform-style transition transition-delay transition-duration transition-property transition-timing-function translate unicode-bidi user-select vertical-align visibility white-space widows width word-break word-spacing word-wrap writing-mode z-index zoom



CSS @counter-style Rule


Example

Specify a custom counter style for a list:

@counter-style crown {
  system: cyclic;
  symbols: "\1F451";
  suffix: " ";
}

ul {
  list-style: crown;
}
Try it Yourself »

Definition and Usage

The @counter-style rule is used to define custom counter styles.

The @counter-style rule allows you to define your own counter styles when the predefined styles do not fit your requirement.


Browser Support

The numbers in the table specify the first browser version that fully supports the at-rule.

At-rule
@counter-style 91  91 33 17 77


CSS Syntax

@counter-style countername {
  one or more descriptors
}

Property Values

Value Description
countername Defines a case-sensitive name for the counter style. Note: The name of the counter cannot be: none, decimal, disc, square, circle, disclosure-open, or disclosure-closed
system Defines the algorithm used to convert the integer value of the counter to a string. If system is set to: cyclic, numeric, alphabetic, symbolic, or fixed, the symbols descriptor is required. If system is set to: additive, the additive-symbols descriptor is required
symbols Required if the system descriptor is set to cyclic, numeric, alphabetic, symbolic, or fixed. Defines the symbols used for the marker (can be strings, images, or custom identifiers). HTML UTF-8 signs
additive-symbols Required if the system descriptor is set to additive. Defines the additive tuples for additive systems. Additive counter systems, such as Roman numerals, consist of a series of weighted symbols. The descriptors is a list of counter symbol along with their non-negative integer weights, listed by weight in descending order
negative Defines the symbol to be appended/prepended to the marker representation if the value is negative
prefix Defines a symbol that should be prepended to the marker representation
suffix Defines a symbol that should be appended to the marker representation
range Defines the range of the values for the counter style. If the counter value is outside of the range, it will drop back to its fallback style
pad Used if the marker representations must be of a minimum length. For example if you want the counters to start at 01 and go through 02, 03, 04, etc., then use the pad descriptor. For counters larger than the specified pad value, the marker is constructed as normal
speak-as Defines how speech synthesizers should read out the counter style (e.g. read out as numbers or alphabets for ordered lists or as audio cues for unordered lists)
fallback Defines the counter name of the system to fall back to if the system is unable to construct the marker or if it is outside the specified range. If there are no fallback counters described or if the fallback system is unable to represent a counter value, then it will fall back to the decimal style

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