[gi-docgen] template: Style the newly added sections

[Emmanuele Bassi <ebassi src gnome org>]

commit a284455af9b3cad179900f6e1f12b59a3d40c06b
Author: Emmanuele Bassi <ebassi gnome org>
Date:   Thu Oct 21 13:02:00 2021 +0100

    template: Style the newly added sections
    
    We now have "descendants" and "implementations" sections in the class
    and interface indices, respectively.

 gidocgen/templates/basic/style.css | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/gidocgen/templates/basic/style.css b/gidocgen/templates/basic/style.css
index a7be6ab..889bbe8 100644
--- a/gidocgen/templates/basic/style.css
+++ b/gidocgen/templates/basic/style.css
@@ -861,6 +861,8 @@ table.returns tr.arg-description td {
 .type-funcs h6,
 .implements a,
 .ancestors a,
+.descendants a,
+.implementations a,
 .sidebar .links a
 .toc a
 {