diff --git a/www/slide/app-slide.less b/www/slide/app-slide.less
index 7e518a1c7..ce12b1de3 100644
--- a/www/slide/app-slide.less
+++ b/www/slide/app-slide.less
@@ -356,6 +356,7 @@
             }
 
             .markdown_main();
+            .markdown_cryptpad();
             .markdown_preformatted-code;
             .markdown_gfm-table();