[Users] Theming of gtk3 version

[Mikau]

I was able to fix the problem I was having by doing this:


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From 597658cd70a95b4c2dde7942c2c06e2016dbd384 Mon Sep 17 00:00:00 2001
From: Mikau <mikau at aaathats3as.com>
Date: Wed, 4 Aug 2021 03:31:26 +0200
Subject: [PATCH] Set a CSS name for the CMCList class

This makes it possible to selct it in themes, e.g:
	CMCList {
	  background: black;
	  color: white;
	}
Before, the name was inherited from the parent, so you had to do:
	widget {...}
which applied to many other things widgets as well.
---
 src/gtk/gtkcmclist.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/gtk/gtkcmclist.c b/src/gtk/gtkcmclist.c
index f27d78647..fb7bd619a 100644
--- a/src/gtk/gtkcmclist.c
+++ b/src/gtk/gtkcmclist.c
@@ -920,6 +920,7 @@ gtk_cmclist_class_init (GtkCMCListClass *klass)
 				GDK_RELEASE_MASK | GDK_SHIFT_MASK |
 				GDK_CONTROL_MASK,
 				"end_selection", 0);
+  gtk_widget_class_set_css_name (widget_class, "CMCList");
 }
 
 static void
-- 
2.32.0