diff --git a/assets/css/dark_theme.css b/assets/css/dark_theme.css
index 9c26ce89..5936d575 100644
--- a/assets/css/dark_theme.css
+++ b/assets/css/dark_theme.css
@@ -683,4 +683,15 @@ img[src$="groups_logo/default.png"] {
 
 .posts-target-picker > div:hover {
     background-color: var(--black4);
+}
+
+/**
+ * Full calendar
+ */
+.fc-theme-standard .fc-list-day-cushion {
+    background-color: var(--black3);
+}
+
+.fc .fc-list-event:hover td {
+    background-color: var(--black3);
 }
\ No newline at end of file