diff --git a/combo/public/static/js/combo.public.js b/combo/public/static/js/combo.public.js
index aad1d910..9e61e788 100644
--- a/combo/public/static/js/combo.public.js
+++ b/combo/public/static/js/combo.public.js
@@ -246,4 +246,10 @@ $(function() {
   $('body').on('change', '.bookingcalendar input', function() {
      set_booking_calendar_sensitivity($(this).parents('table'));
   });
+
+  $('input:not([type=checkbox]):not([type=radio]), textarea').focusin(function() {
+    $('body').addClass('focus-in');
+  }).focusout(function() {
+    $('body').removeClass('focus-in');
+  });
 });