--- a/browser/themes/shared/customizableui/panelUI.inc.css
+++ b/browser/themes/shared/customizableui/panelUI.inc.css
@@ -1021,34 +1021,37 @@ toolbaritem[cui-areatype="menu-panel"][s
     (e.g. #PanelUI-remotetabs[mainview] #PanelUI-remotetabs-setupsync, etc) may
     need adjusting (see bug 1248506) */
   padding-bottom: 30px;
   padding-top: 15px;
 }
 
 .PanelUI-remotetabs-prefs-button {
   -moz-appearance: none;
-  background-color: #0096dd;
+  background-color: #0060df;
   /* !important for the color as an OSX specific rule when a lightweight theme
      is used for buttons in the toolbox overrides. See bug 1238531 for details */
   color: white !important;
   border-radius: 2px;
   /* If you change the margin or padding below, the min-height of the synced tabs
      panel (e.g. #PanelUI-remotetabs[mainview] #PanelUI-remotetabs-setupsync,
      etc) may need adjusting (see bug 1248506) */
   margin-top: 10px;
   margin-bottom: 10px;
   padding: 8px;
   text-shadow: none;
   min-width: 200px;
 }
 
-.PanelUI-remotetabs-prefs-button:hover,
+.PanelUI-remotetabs-prefs-button:hover {
+  background-color: #003eaa;
+}
+
 .PanelUI-remotetabs-prefs-button:hover:active {
-  background-color: #018acb;
+  background-color: #002275;
 }
 
 .remotetabs-promo-link {
   margin: 0;
 }
 
 .PanelUI-remotetabs-notabsforclient-label {
   color: GrayText;