Call it just "Themeing" to avoid the repetition of CSS.
-/* CSS Theming/CSS Accordion
+/* Theming/CSS Accordion
*
* A simple accordion demo written using CSS transitions and multiple backgrounds
*
-/* CSS Theming/CSS Basics
+/* Theming/CSS Basics
*
* Gtk themes are written using CSS. Every widget is build of multiple items
* that you can style very similarly to a regular website.
-/* CSS Theming/Multiple Backgrounds
+/* Theming/Multiple Backgrounds
*
* Gtk themes are written using CSS. Every widget is build of multiple items
* that you can style very similarly to a regular website.
-/* CSS Theming/Animated Backgrounds
+/* Theming/Animated Backgrounds
*
* This demo is done in honour of the Pixbufs demo further down.
* It is done exclusively with CSS as the background of the window.
-/* CSS Theming/Shadows
+/* Theming/Shadows
*
* This demo shows how to use CSS shadows.
*/
-/* CSS Theming/Style Classes
+/* Theming/Style Classes
*
* GTK+ uses CSS for theming. Style classes can be associated
* with widgets to inform the theme about intended rendering.