diff --git a/frontend/less/glass/custom.less b/frontend/less/glass/custom.less
index f6833bc7d3..6f608e0b5f 100644
--- a/frontend/less/glass/custom.less
+++ b/frontend/less/glass/custom.less
@@ -153,3 +153,10 @@ select.form-control > option {
         background: var(--input-bg);
     }
 }
+
+
+.calendar {
+    td.fc-day-top.fc-today {
+        background-color: transparent !important;
+    }
+}