diff --git a/library/org/slog.php b/library/org/slog.php
index 71f02eb2..309091b2 100644
--- a/library/org/slog.php
+++ b/library/org/slog.php
@@ -269,7 +269,7 @@ class Slog
         self::$logs[] = [
             'type' => $type,
             'msg'  => $msg,
-            'css'  => $css,
+            'css'  => isset(self::$css[$css]) ? self::$css[$css] : $css,
         ];
     }