diff --git a/lib/core/src/server/templates/index.ejs b/lib/core/src/server/templates/index.ejs
index 81c3ea006b82..a93b89e516bf 100644
--- a/lib/core/src/server/templates/index.ejs
+++ b/lib/core/src/server/templates/index.ejs
@@ -14,6 +14,13 @@
     files.css.forEach(file => { %>
     <link href="<%= file %>" rel="stylesheet" />
     <% }); %>
+
+    <style>
+      #root[hidden],
+      #docs-root[hidden] {
+        display: none !important;
+      }
+    </style>
   </head>
   <body>
     <% if (typeof bodyHtmlSnippet !== 'undefined') { %>
