Raise hand first step (no signalling yet)

app/stylus/components/Room.styl

@@ -232,6 +232,10 @@
 				}
 			}
 
+			&.raise-hand {
+				background-image: url('/resources/images/leave-meeting.svg');
+			}
+
 			&.leave-meeting {
 				background-image: url('/resources/images/leave-meeting.svg');
 			}