The different types of sections indicate parts of a CSS document as parsed by the CSS parser of GTK. They are oriented towards the CSS grammar, but may contain extensions.

More types might be added in the future as the parser incorporates more features.

(define-g-enum "GtkCssSectionType" gtk-css-section-type
  (:export t
   :type-initializer "gtk_css_section_type_get_type")
  (:document 0)
  (:import 1)
  (:color-definition 2)
  (:binding-set 3)
  (:ruleset 4)
  (:selector 5)
  (:declaration 6)
  (:value 7)
  (:keyframes 8))  

:document

The section describes a complete document. This section is the only one where the gtk-css-section-parent function might return nil.

:import

The section defines an import rule.

:color-definition

The section defines a color. This is a GTK extension to CSS.

:binding-set

The section defines a binding set. This is a GTK extension to CSS.

:ruleset

The section defines a CSS ruleset.

:selector

The section defines a CSS selector.

:declaration

The section defines the declaration of a CSS variable.

:value

The section defines the value of a CSS declaration.

:keyframes

The section defines keyframes. See CSS animations for details.