diff --git a/website/content/de/01_Navigation/01_mark2web/README.md b/website/content/de/01_Navigation/01_mark2web/README.md
index 6fb09ac..c0c72f0 100644
--- a/website/content/de/01_Navigation/01_mark2web/README.md
+++ b/website/content/de/01_Navigation/01_mark2web/README.md
@@ -33,6 +33,7 @@ graph TD
 <script defer>
 	window.onload = function() {
 		mermaid.init(undefined,$("code.language-mermaid"));
+    $("code.language-mermaid").css("visibility", "visible");
 	};
 </script>
 
diff --git a/website/project-files/css/main.css b/website/project-files/css/main.css
index 4e56a19..b4773b1 100755
--- a/website/project-files/css/main.css
+++ b/website/project-files/css/main.css
@@ -268,4 +268,8 @@ pre {
 	padding: 5px;
 	border-radius: 5px;
 	margin-bottom: 25px;
+}
+
+code.language-mermaid {
+	visibility: hidden;
 }
\ No newline at end of file