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by Tommy Olsson and Paul O’Brien

:after (CSS selector)

Browser support full matrix
IE7 FF1+ Saf1.3+ Op9.5+
None Partial Full Full
Spec
Version
CSS2

Example

This example will render the text “cm” in the color #cccccc, after a span element with a class value of "centimeters":

span.centimeters:after {
  content: "cm";
  color: #cccccc;
}

Try it yourself!View all demos

Description

This pseudo-element represents generated content that’s rendered after another element. This pseudo-element is used in conjunction with the content property, and additional properties can be specified to style it. Note that the generated content is only rendered—it doesn’t become part of the document tree.

Compatibility

IE5.5None
6.0None
7.0None
Firefox1.0Partial
1.5Partial
2.0Partial
Safari1.3Full
2.0Full
3.0Full
Opera9.2Buggy
9.5Full

In Firefox versions up to and including 2, this pseudo-element is not fully stylable, most notably when it comes to applying positioning properties. Firefox appears to have implemented the original CSS2 specification.

In Firefox 1.5 and 2, this pseudo-element doesn’t work for fieldset elements.

In Opera 9.2, whitespace is always displayed within this pseudo-element as if it’s preformatted text—like whitespace in an HTML <pre> tag.

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