Add mic/webcam switching

src/RoomButton.module.css

@@ -87,6 +87,7 @@ limitations under the License.
   position: absolute;
   bottom: 0;
   right: 0;
+  cursor: pointer;
 }
 
 .dropdownButton:hover {
@@ -100,8 +101,29 @@ limitations under the License.
 .dropdownContainer {
   position: absolute;
   left: 50%;
-  transform: translate(-50%, -100%);
-  top: 0;
+  transform: translate(0, -100%);
+  top: -5px;
   background-color: #394049;
   border-radius: 8px;
+  overflow: hidden;
+}
+
+.dropdownContainer ul {
+  list-style: none;
+  margin: 0;
+  padding: 0;
+}
+
+.dropdownContainer li {
+  padding: 12px;
+  width: 200px;
+  cursor: pointer;
+}
+
+.dropdownContainer li:hover {
+  background-color: #8d97a5;
+}
+
+.dropdownActiveItem {
+  color: #0dbd8b;
 }