diff --git a/www/assets/css/src/default.css b/www/assets/css/src/default.css
index f1721e22eb9089b4e717a7177bfd0c38dc3d94f7..600a602f7756d65523aa5992869ca20a84998723 100644
--- a/www/assets/css/src/default.css
+++ b/www/assets/css/src/default.css
@@ -360,6 +360,10 @@ CONTENT
     background-color: #f7e4e1;
     border-left-color: #cc4b37;
 }
+.message-box.warning {
+    background-color: #fffdbf;
+    border-left-color: #f9f56b;
+}
 .message-box.success {
     background-color: #daf7e6;
     border-left-color: #46cc48;