remove templates for app_library and cleanup window styling

examples/dock/dock_item/mod.rs

@@ -5,7 +5,6 @@ use gtk4::glib;
 use gtk4::prelude::*;
 use gtk4::subclass::prelude::*;
 use gtk4::Align;
-use gtk4::AspectFrame;
 use gtk4::Box;
 use gtk4::Image;
 use gtk4::Label;

examples/dock/style.css

@@ -28,11 +28,11 @@ listview {
     background: #333333;
 }
 
-window {
-    background: rgba(50, 50, 50, 0.0);
-}
-
 box.dock {
     border-radius: 12px;
     background: #333333;
 }
+
+window.root_window {
+    background: rgba(50, 50, 50, 0.0);
+}

examples/dock/window/mod.rs

@@ -63,6 +63,7 @@ impl Window {
             ..set_title(Some("Cosmic Dock"));
             ..set_decorated(false);
             ..set_resizable(false);
+            ..add_css_class("root_window");
         };
         let cursor_handle = Box::new(Orientation::Vertical, 0);
         self_.set_child(Some(&cursor_handle));