this fixes #82

src/css/popup.css

@@ -95,30 +95,23 @@ html.rtl #buttonMtxSwitches + .dropdown-menu {
 #mtxSwitches > li.switchTrue {
     color: #000;
     }
-html.ltr #mtxSwitches > li > span:before  {
-    content: '\f204';
+#mtxSwitches > li > span:before {
     font: 120% FontAwesome;
-    padding-right: 0.5em;
     }
-html.ltr #mtxSwitches > li.switchTrue > span:before {
-    color: #000;
-    content: '\f205';
-    font: 120% FontAwesome;
+html.ltr #mtxSwitches > li > span:before {
     padding-right: 0.5em;
     }
-html.rtl #mtxSwitches > li > span:after  {
-    content: '\f204';
-    font: 120% FontAwesome;
+html.rtl #mtxSwitches > li > span:before {
     padding-left: 0.5em;
     }
-html.rtl #mtxSwitches > li.switchTrue > span:after {
+#mtxSwitches > li > span:before {
+    content: '\f204';
+    }
+#mtxSwitches > li.switchTrue > span:before {
     color: #000;
     content: '\f205';
-    font: 120% FontAwesome;
-    padding-left: 0.5em;
     }
 
-
 .dropdown-menu {
     margin: 0;
     border: 0;