diff --git a/app/assets/stylesheets/application.css b/app/assets/stylesheets/application.css
index fff1a22..2115b4c 100644
--- a/app/assets/stylesheets/application.css
+++ b/app/assets/stylesheets/application.css
@@ -20,5 +20,5 @@
 }
 
 .lecture-cancelled {
-    background: repeating-linear-gradient(45deg, rgb(254, 226, 226, var(--tw-bg-opacity)), rgb(254, 226, 226, var(--tw-bg-opacity)) 10px, white 10px, white 20px);
+    background: repeating-linear-gradient(45deg, rgba(254, 226, 226, var(--tw-bg-opacity)), rgba(254, 226, 226, var(--tw-bg-opacity)) 10px, white 10px, white 20px);
 }