diff --git a/calendar/templates/default/app.css b/calendar/templates/default/app.css
index f0cc2844f4..bfe1cfd7b6 100644
--- a/calendar/templates/default/app.css
+++ b/calendar/templates/default/app.css
@@ -88,6 +88,7 @@
 
 #calendar-sidebox_date div.flatpickr-calendar.inline {
     width: 100% !important;
+	box-shadow: none;
 }
 
 #calendar-sidebox_date .flatpickr-day {
diff --git a/calendar/templates/pixelegg/app.css b/calendar/templates/pixelegg/app.css
index daad566182..b4535f7aba 100755
--- a/calendar/templates/pixelegg/app.css
+++ b/calendar/templates/pixelegg/app.css
@@ -93,6 +93,7 @@
 }
 #calendar-sidebox_date div.flatpickr-calendar.inline {
   width: 100% !important;
+  box-shadow: none;
 }
 #calendar-sidebox_date .flatpickr-day {
   font-size: 11px;