prefix

Summary

The prefix descriptor of the @counter-style rule allows authors to specify a symbol that will be prepended to the marker representation. If no value is specified, the default value will be the empty string.

Syntax

/* <symbol> values */
prefix: "»";
prefix: "Page";

Values

<symbol>

Specifies a <symbol> that is prepended to the marker representation.

Formal syntax

<symbol>
where 
<symbol> = <string> | <image> | <ident>

Example

HTML Content

<ul class="index">
  <li>The Boy Who Lived</li>
  <li>The Vanishing Glass</li>
  <li>The Letters from No One</li>
  <li>The Keeper of the Keys</li>
  <li>Diagon Alley</li>
</ul>

CSS Content

@counter-style chapters {
  system: numeric;
  symbols: "0" "1" "2" "3" "4" "5" "6" "7" "8" "9";
  prefix: 'Chapter ';
}

.index {
  list-style: chapters;
}

Result

Specifications

Browser compatibility

See also

• list-style, list-style-image, list-style-position
• symbols(), the functional notation creating anonymous counter styles.