more css fixed, removed unusued buttons + remove other bg images:

public/css/Room.css

@@ -430,6 +430,61 @@ body {
     color: red;
 }
 
+
+#toggleExtraButton i {
+    color: red;
+}
+
+#startAudioButton i {
+    color: red;
+}
+
+#stopAudioButton i {
+    color: red;
+}
+
+#startVideoButton i {
+    color: red;
+}
+
+#stopVideoButton i {
+    color: red;
+}
+
+#swapCameraButton i {
+    color: red;
+}
+
+#startScreenButton i {
+    color: red;
+}
+
+#stopScreenButton i {
+    color: red;
+}
+
+#raiseHandButton i {
+    color: red;
+}
+
+#lowerHandButton i {
+    color: red;
+}
+
+#chatButton i {
+    color: red;
+}
+
+#settingsButton i {
+    color: red;
+}
+
+#exitButton i {
+    color: red;
+}
+
+
+
 #toggleExtraButton {
     color: #66beff;
 }