Update tab_audio_icon.css

Author: Aris-t2

current/css/tabs/tab_audio_icon.css

@@ -15,15 +15,18 @@
 .tab-icon-overlay {
   padding: 0 !important;
   border: 0 !important;
-  background-color: transparent !important;
-  background-position: right !important;
+  background-position: center !important;
   fill: currentColor !important;
 }
 .tab-icon-overlay:hover {
-  /*background-color: transparent !important;*/
   filter: brightness(1.10)!important;
   opacity: 0.8 !important;
 }
 .tab-icon-stack:is([soundplaying], [muted], [activemedia-blocked]) > * {
   opacity: 1 !important;
 }
+
+#TabsToolbar #tabbrowser-tabs .tabbrowser-tab:not([pinned]) .tab-icon-overlay:not([pinned]) {
+  margin-inline-start: -2px !important;
+  margin-inline-end: 2px !important; 
+}