diff --git a/chrome/compact_proton.css b/chrome/compact_proton.css
index a17274b..d458428 100644
--- a/chrome/compact_proton.css
+++ b/chrome/compact_proton.css
@@ -31,4 +31,9 @@ menupopup > menu{ padding-block: 0.3em !important; }
 
 #tabbrowser-tabs{ --uc-tabs-scrollbutton-border: 2px }
 #scrollbutton-up,
-#scrollbutton-down{ border-block-width: var(--uc-tabs-scrollbutton-border,0px) !important; }
\ No newline at end of file
+#scrollbutton-down{ border-block-width: var(--uc-tabs-scrollbutton-border,0px) !important; }
+
+/* OPTIONAL - show audio label in compact mode */
+/*
+.tab-secondary-label:is([soundplaying], [muted], [activemedia-blocked], [pictureinpicture]){ display: -moz-box !important; }
+*/
\ No newline at end of file