diff --git a/plugins/libkolab/skins/elastic/include/calendar.less b/plugins/libkolab/skins/elastic/include/calendar.less
index 3a313f85..60d1ba90 100644
--- a/plugins/libkolab/skins/elastic/include/calendar.less
+++ b/plugins/libkolab/skins/elastic/include/calendar.less
@@ -1707,11 +1707,10 @@ body.task-calendar {
 
 #schedule-event-time {
     position: absolute;
-    opacity: .75;
     border-radius: .3rem;
     cursor: move;
-    border: 2px solid @color-black-shade-text;
-    background-color: @color-black-shade-bg;
+    border: 2px solid #444;
+    background-color: rgba(0, 0, 0, .3);
 }
 
 .resources-dialog {