diff --git a/site/developer/how-to/test-sandbox.qmd b/site/developer/how-to/test-sandbox.qmd
index c9ea3a23c3..b27cbac7f4 100644
--- a/site/developer/how-to/test-sandbox.qmd
+++ b/site/developer/how-to/test-sandbox.qmd
@@ -2,19 +2,38 @@
 # Copyright © 2023-2026 ValidMind Inc. All rights reserved.
 # Refer to the LICENSE file in the root of this repository for details.
 # SPDX-License-Identifier: AGPL-3.0 AND ValidMind Commercial
-title: "Test sandbox <sup>[beta]{.smallcaps}</sup>"
-date: last-modified
+pagetitle: "Test sandbox"
+title-block-style: none
+bread-crumbs: false
+page-layout: full
 aliases:
   - /guide/test-sandbox.html
   - /developer/model-testing/test-sandbox.html
 ---
 
-<!--- TO DO
-- Ordering of notebooks if we want them to appear in a specific sequence
---->
-Explore our interactive sandbox to see what tests are available in the {{< var validmind.developer >}} and how you can use them in your own code.
 
-::: {.column-screen-right}
+```{=html}
+<style>
+  /* Close the gap between the pink banner and the test-sandbox iframe */
+  #title-block-header { display: none !important; }
+  #quarto-document-content { padding-top: 0 !important; margin-top: 0 !important; }
+  #quarto-document-content > .column-screen:first-child { margin-top: 0 !important; }
+  #quarto-document-content > .column-screen iframe { display: block; }
+
+  /* Hide the secondary-nav toggle bar only on desktop;
+     keep it on mobile/tablet so the sidebar remains reachable. */
+  @media (min-width: 992px) {
+    .quarto-secondary-nav { display: none !important; }
+  }
+
+  /* Quarto sidebar scroll-visibility strip under the navbar (this page only) */
+  #quarto-sidebarnav-toggle {
+    display: none !important;
+  }
+</style>
+```
+
+::: {.column-screen}
 
 ```{=html}
 <iframe