fix(menu): Pop menu icons & background

css/_base.scss

     fill: white;
 }
 
+.disabled .jitsi-icon svg {
+    fill: #929292;
+}
+
 .jitsi-icon.gray svg {
     fill: #5E6D7A;
     cursor: pointer;

css/_popup_menu.scss

 **/
 
 .popupmenu {
+    background-color: $menuBG;
+    border-radius: 3px;
     min-width: 150px;
     text-align: left;
     padding: 0px;
 
     &__text {
         display: inline-block;
+        margin-left: 8px;
         vertical-align: middle;
     }