diff --git a/lib/classes/calendar/Helper.php b/lib/classes/calendar/Helper.php
index 992e236369fb782fd90730fe1c84efa994febb69..7b205481bf6b01e1a951fdfa85f55f45b63d5e2c 100644
--- a/lib/classes/calendar/Helper.php
+++ b/lib/classes/calendar/Helper.php
@@ -213,6 +213,9 @@ class Helper
                 'studip_urls' => [
                     'add' => \URLHelper::getURL('dispatch.php/calendar/schedule/entry/add')
                 ]
+            ],
+            [
+                'class' => 'schedule'
             ]
         );
     }
diff --git a/resources/assets/stylesheets/scss/schedule.scss b/resources/assets/stylesheets/scss/schedule.scss
index c632e51d04c70fd7dba64e91f663d102673ac267..46bec19a52fc494b7f1787f71764499ee2e81ddb 100644
--- a/resources/assets/stylesheets/scss/schedule.scss
+++ b/resources/assets/stylesheets/scss/schedule.scss
@@ -16,3 +16,9 @@ form.default.schedule-entry {
         }
     }
 }
+
+.fc.schedule {
+    .fc-event {
+        border-left-width: 8px;
+    }
+}
diff --git a/templates/start/schedule_widget.php b/templates/start/schedule_widget.php
index 23602dbb62490dc895f4651d4220c631f8af4c01..d2e501b7c513ad0c3da56252a22fee88ba3889c5 100644
--- a/templates/start/schedule_widget.php
+++ b/templates/start/schedule_widget.php
@@ -1 +1 @@
-<?= $fullcalendar ?>
+<section class="contentbox"><?= $fullcalendar ?></section>