By popular demand: coded real-world examples of themeable buttons and toolbars using the jQuery UI CSS framework, a system of classes developed for jQuery UI widgets that can easily be applied to any plugin, and even static content.jQuery UI CSS framework which provides a set of semantic classes that can be applied across a wide range of UI widgets. The framework works by stacking multiple classes on an element, some generic to the framework and others that are custom to each widget.
CSS jQuery UI