css pseudo element

`::marker` CSS pseudo-element

The ::marker CSS pseudo-element selects the marker box of a list item, which typically contains a bullet or number. It works on any element or pseudo-element set to display: list-item, such as the <li> and <summary> elements.

Interactive exampleOpen the canonical MDN source to run this embedded demo.

li::marker {
  content: "✝ ";
  font-size: 1.2em;
}

<p>Group known as Mercury Seven:</p>
<ul>
  <li>Malcolm Scott Carpenter</li>
  <li>Leroy Gordon (Gordo) Cooper Jr.</li>
  <li>John Herschel Glenn Jr.</li>
  <li>Virgil Ivan (Gus) Grissom</li>
  <li>Walter Marty (Wally) Schirra Jr.</li>
  <li>Alan Bartlett Shepard Jr.</li>
  <li>Donald Kent (Deke) Slayton</li>
</ul>

Allowable properties

The ::marker pseudo-element supports a limited number of CSS properties, including:

All animation and transition properties
All font properties
color
content
counter-increment, counter-reset, and counter-set
quotes
text-combine-upright, unicode-bidi, and direction
white-space

[!NOTE] The specification states that additional CSS properties may be supported in the future.

Syntax

::marker {
  /* ... */
}

Examples

HTML

<ul>
  <li>Peaches</li>
  <li>Apples</li>
  <li>Plums</li>
</ul>

CSS

ul li::marker {
  color: red;
  font-size: 1.5em;
}

Result

Interactive exampleOpen the canonical MDN source to run this embedded demo.

Specifications

SpecificationsStandards references are available on the canonical MDN page.

Browser compatibility

Browser compatibilityCompatibility data is available on the canonical MDN page.