diff --git a/site/assets/scss/_sidebar.scss b/site/assets/scss/_sidebar.scss
index 4ec8f9b138..f7397a1081 100644
--- a/site/assets/scss/_sidebar.scss
+++ b/site/assets/scss/_sidebar.scss
@@ -1,11 +1,11 @@
 .bd-sidebar {
   @include media-breakpoint-up(lg) {
     position: sticky;
-    top: 5rem;
+    top: $offset-top; // Boosted mod: instead of `5rem`
     // Override collapse behaviors
     // stylelint-disable-next-line declaration-no-important
     display: block !important;
-    height: subtract(100vh, 6rem);
+    height: $sidebar-height; // Boosted mod: instead of `subtract(100vh, 8rem)`
     // Prevent focus styles to be cut off:
     padding-left: .25rem;
     margin-left: -.25rem;
diff --git a/site/assets/scss/_variables.scss b/site/assets/scss/_variables.scss
index ba2595a90b..a5db5e0014 100644
--- a/site/assets/scss/_variables.scss
+++ b/site/assets/scss/_variables.scss
@@ -38,6 +38,6 @@ $bd-callout-variants: info, warning, danger !default;
 // Boosted mod
 $zindex-skippy: 1080;
 $offset-top: 7rem;
-$sidebar-height: subtract(100vh, $offset-top);
+$sidebar-height: subtract(100vh, $offset-top + 1rem);
 $tac-prefix: "tarteaucitron";
 // End mod
diff --git a/site/layouts/partials/docs-navbar.html b/site/layouts/partials/docs-navbar.html
index 8f99fb6858..7b391ab437 100644
--- a/site/layouts/partials/docs-navbar.html
+++ b/site/layouts/partials/docs-navbar.html
@@ -1,4 +1,12 @@
 <header class="sticky-top">
+  <nav class="navbar navbar-dark navbar-expand bg-dark supra" aria-label="Supra-navigation - Only left navbar example">
+    <div class="container-xxl">
+      <ul class="navbar-nav me-auto">
+        <li class="nav-item"><a href="#" class="nav-link active" aria-current="page">Personal</a></li>
+        <li class="nav-item"><a href="#" class="nav-link">Business</a></li>
+      </ul>
+    </div>
+  </nav>
   <nav class="navbar navbar-dark bg-dark navbar-expand-lg" aria-label="Main navigation">
     <div class="container-xxl">
       <div class="navbar-brand me-auto me-lg-4">