CSS3 selection pseudo-element (dropped)

Wednesday, November 2nd, 2011

With both the CSS3 Selectors and CSS3 Namespaces Modules, respectively, having been released as official W3C recommendations (Selectors, Namespaces), I felt compelled to re-review each specification.

Interestingly, while reviewing the CSS3 Selectors Module (my personal favorite), I noticed that the selection pseudo-element selector which was originally drafted for CSS3 had been dropped from the proposal. In fact, it was dropped a rather long time ago.

In case you are not familiar with the selection pseudo-element, essentially it allows for defining the text color and background-color of selected text within a document.

For example, all <code> elements on my site have a red background with white text when selected – such as this text here (select it) – based on the following two simple rules:

And so, while having been dropped, support is already rather good (FF3.6, SA3.1+, OP9.5+, CH2+, IE9) and as far as I am aware Browser vendors will continue to support ::selection.

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