diff --git a/main.css b/main.css
index 63b4bdb..f8282ff 100644
--- a/main.css
+++ b/main.css
@@ -5360,6 +5360,7 @@ body.darktheme .invite_setting_group_links a {
 .directorBoxColor button[data-action-type="advanced-audio-settings"],
 .directorBoxColor button[data-action-type="order-down"],
 .directorBoxColor button[data-action-type="order-up"],
+.directorBoxColor button[data-action-type="mute-guest"],
 .directorBoxColor button[data-action-type="toggle-group"] {
     opacity: 0.5;
     cursor: not-allowed;