diff --git a/src/www/css/app.css b/src/www/css/app.css
index 830674c5..4f4e21dd 100644
--- a/src/www/css/app.css
+++ b/src/www/css/app.css
@@ -933,6 +933,12 @@ video {
   overflow-y: auto;
 }
 
+.truncate {
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+}
+
 .rounded {
   border-radius: 0.25rem;
 }