docs: Expand icon-palette example

Add a warning color, and show that hex colors work here.

diff --git a/docs/reference/gtk/css-overview.xml b/docs/reference/gtk/css-overview.xml
index d77fadb218c3906d4e9aad76e2a2b089dc283db8..54722ae3c8fffc667f88eb3a1822c55d293cc2e5 100644 (file)
--- a/docs/reference/gtk/css-overview.xml
+++ b/docs/reference/gtk/css-overview.xml
@@ -824,7 +824,7 @@ label {
       <programlisting><![CDATA[
 spinner {
   -gtk-icon-source: -gtk-icontheme('process-working-symbolic');
-  -gtk-icon-palette: success blue, error magenta;
+  -gtk-icon-palette: success blue, warning #fc3, error magenta;
 }
 arrow.fancy {
   -gtk-icon-source: -gtk-icontheme('pan-down');