diff --git a/src/gui/views/gcal-month-cell.blp b/src/gui/views/gcal-month-cell.blp
index 03713997..0f1b503e 100644
--- a/src/gui/views/gcal-month-cell.blp
+++ b/src/gui/views/gcal-month-cell.blp
@@ -67,6 +67,7 @@ template $GcalMonthCell: Adw.BreakpointBin {
 
       styles [
         "flat",
+        "overflow",
       ]
 
       Box {
diff --git a/src/theme/style.css b/src/theme/style.css
index b8c50606..b28a687f 100644
--- a/src/theme/style.css
+++ b/src/theme/style.css
@@ -271,6 +271,10 @@ monthcell {
   background-color: var(--bg-color);
 }
 
+monthcell .overflow {
+  border-radius: 6px;
+}
+
 monthcell .day-label {
   border-radius: 6px;
   padding: 0px 6px 0px 6px;