diff --git a/qt/aqt/sidebar.py b/qt/aqt/sidebar.py
index 9d4f512a7..ede513fc0 100644
--- a/qt/aqt/sidebar.py
+++ b/qt/aqt/sidebar.py
@@ -287,7 +287,8 @@ class SidebarToolbar(QToolBar):
         self._action_group = QActionGroup(self)
         qconnect(self._action_group.triggered, self._on_action_group_triggered)
         self._setup_tools()
-        self.setIconSize(QSize(18, 18))
+        self.setIconSize(QSize(16, 16))
+        self.setStyle(QStyleFactory.create("fusion"))
 
     def _setup_tools(self) -> None:
         for row in self._tools: