diff --git a/_includes/header.html b/_includes/header.html
index 8aa77b79..2f71a8d4 100644
--- a/_includes/header.html
+++ b/_includes/header.html
@@ -34,4 +34,6 @@ <h2 class="text-white"><strong>REST</strong>Heart</h2>
 </div>
 {% endif %}
 
-<a  target="_blank" class="gitter-open-chat-button fixed-bottom-right" href="https://join.slack.com/t/restheart/shared_invite/zt-1olrhtoq8-5DdYLBWYDonFGEALhmgSXQ"></a>
\ No newline at end of file
+{% if page.slack == null or page.slack == true %}
+<a  target="_blank" class="gitter-open-chat-button fixed-bottom-right" href="https://join.slack.com/t/restheart/shared_invite/zt-1olrhtoq8-5DdYLBWYDonFGEALhmgSXQ"></a>
+{% endif %}
\ No newline at end of file
diff --git a/_layouts/no-footer.html b/_layouts/no-footer.html
index d7c3b324..8f666b13 100644
--- a/_layouts/no-footer.html
+++ b/_layouts/no-footer.html
@@ -8,12 +8,12 @@
 <!--<![endif]-->
 {% include head.html %}
 
-<body>
+  <body style="overflow: hidden;">
     {% include header.html %}
     <div class="page-content">
         {{ content }}
     </div>
     <!-- End Document ================================================== -->
-</body>
+  </body>
 
 </html>
\ No newline at end of file
diff --git a/docs/sophia.md b/docs/sophia.md
index b9908deb..474d9fd6 100644
--- a/docs/sophia.md
+++ b/docs/sophia.md
@@ -1,5 +1,6 @@
 ---
 layout: no-footer
+slack: false
 ---
 
 <div class="iframe-parent m-0 p-0">
