diff --git a/src/alsa-scarlett-gui.css b/src/alsa-scarlett-gui.css
index 9c8bc72..60c7deb 100644
--- a/src/alsa-scarlett-gui.css
+++ b/src/alsa-scarlett-gui.css
@@ -1,4 +1,4 @@
 .route-label { font-size: smaller; }
 .route-label:hover { background: #e0e0e0; }
 .route-label:drop(active) { box-shadow: none; background: #e0e0e0; }
-.button { padding: 0px 5px 0px 5px; }
+button { padding: 0px 5px 0px 5px; }