opt: pages

Signed-off-by: bggRGjQaUbCoE <githubaccount56556@proton.me>

lib/pages/setting/pages/play_speed_set.dart

@@ -133,6 +133,7 @@ class _PlaySpeedPageState extends State<PlaySpeedPage> {
       context: context,
       isScrollControlled: true,
       clipBehavior: Clip.hardEdge,
+      backgroundColor: Theme.of(context).colorScheme.surface,
       builder: (context) {
         return Column(
           mainAxisSize: MainAxisSize.min,