diff --git a/src/window.blp b/src/window.blp
index e004fb2..24a33f0 100644
--- a/src/window.blp
+++ b/src/window.blp
@@ -120,10 +120,8 @@ paintable: bind template.playing_cover_art;
         halign: center;
         hexpand: true;
 
-        Box {
-          halign: center;
-          orientation: horizontal;
-
+        CenterBox {
+          [start]
           Label play_position_label {
             styles [
               "caption",
@@ -133,6 +131,7 @@ paintable: bind template.playing_cover_art;
             label: bind $format_timestamp (template.position) as <string>;
           }
 
+          [center]
           Scale play_position {
             name: "seek-scale";
             orientation: horizontal;
@@ -147,6 +146,7 @@ paintable: bind template.playing_cover_art;
             change-value => $on_play_position_seek ();
           }
 
+          [end]
           Label play_duration {
             styles [
               "caption",