diff --git a/site/layouts/partials/docs-navbar.html b/site/layouts/partials/docs-navbar.html
index 439242865b..52bbd40517 100644
--- a/site/layouts/partials/docs-navbar.html
+++ b/site/layouts/partials/docs-navbar.html
@@ -1,4 +1,4 @@
-<header class="navbar navbar-expand navbar-dark flex-column flex-md-row bd-navbar">
+<header class="navbar navbar-expand navbar-dark flex-column flex-md-row bd-navbar px-0">
   <div class="container flex-wrap flex-md-nowrap py-0 px-3">
     <a class="navbar-brand mr-0 mr-md-2" href="/" aria-label="Bootstrap">
       {{ partial "icons/bootstrap-logo-solid.svg" (dict "class" "d-block" "width" "32" "height" "32") }}
diff --git a/site/layouts/partials/docs-sidebar.html b/site/layouts/partials/docs-sidebar.html
index d661bf725b..94b73094de 100644
--- a/site/layouts/partials/docs-sidebar.html
+++ b/site/layouts/partials/docs-sidebar.html
@@ -21,7 +21,7 @@
         </a>
 
         {{- if $group.pages }}
-        <ul class="nav bd-sidenav mb-2">
+        <ul class="nav bd-sidenav flex-column mb-2">
           {{- range $doc := $group.pages -}}
             {{- $doc_slug := $doc.title | urlize }}
             <li{{ if and $active_group (eq $page_slug $doc_slug) }} class="active bd-sidenav-active"{{ end }}>
diff --git a/site/layouts/partials/docs-subnav.html b/site/layouts/partials/docs-subnav.html
index 2afeeddfda..34aefb43b4 100644
--- a/site/layouts/partials/docs-subnav.html
+++ b/site/layouts/partials/docs-subnav.html
@@ -1,8 +1,10 @@
 <nav class="bd-subnavbar pt-2 pb-3 pb-md-2">
-  <div class="container d-flex align-items-md-center flex-column flex-md-row">
-    <div class="d-flex align-items-center mb-2 mb-md-0 mr-md-auto">
-      <a class="link-dark" href="/" onclick="ga('send', 'event', 'Subnav', 'click', 'Bootstrap');">Bootstrap</a>
-      {{ partial "icons/booticon-chevron-right.svg" (dict "class" "booticon d-inline-block mx-2 flex-shrink-0" "width" "12px" "height" "12px") }}
+  <div class="container d-flex align-items-md-center flex-wrap">
+    <div class="d-flex align-items-center mr-md-auto order-2 order-md-0">
+      <div class="d-none d-md-block">
+        <a class="link-dark" href="/" onclick="ga('send', 'event', 'Subnav', 'click', 'Bootstrap');">Bootstrap</a>
+        {{ partial "icons/booticon-chevron-right.svg" (dict "class" "booticon d-inline-block mx-2 flex-shrink-0" "width" "12px" "height" "12px") }}
+      </div>
 
       {{ if (eq .Page.Layout "docs") or (eq .Page.Layout "single") }}
         <a class="link-dark" href="/docs/{{ .Site.Params.docs_version }}/getting-started/introduction/" onclick="ga('send', 'event', 'Subnav', 'click', 'Documentation');">Documentation</a>
@@ -15,11 +17,16 @@
         {{ partial "icons/booticon-chevron-right.svg" (dict "class" "booticon d-inline-block mx-2 flex-shrink-0" "width" "12px" "height" "12px") }}
         <span class="text-muted">Examples</span>
       {{ end }}
-
-
     </div>
-    <form class="bd-search d-flex align-items-center">
+
+    <form class="bd-search d-flex align-items-center mb-2 mb-md-0">
       <input type="search" class="form-control" id="search-input" placeholder="Search..." aria-label="Search for..." autocomplete="off" data-docs-version="{{ .Site.Params.docs_version }}">
     </form>
+
+    {{ if eq .Page.Layout "docs" }}
+      <button class="btn btn-link bd-search-docs-toggle d-md-none p-0 ml-3 order-3 ml-auto" type="button" data-toggle="collapse" data-target="#bd-docs-nav" aria-controls="bd-docs-nav" aria-expanded="false" aria-label="Toggle docs navigation">
+       {{ partial "icons/menu.svg" (dict "width" "30" "height" "30") }}
+     </button>
+    {{ end }}
   </div>
 </nav>
diff --git a/site/static/docs/4.3/assets/scss/_nav.scss b/site/static/docs/4.3/assets/scss/_nav.scss
index 27827fa586..285c83038f 100644
--- a/site/static/docs/4.3/assets/scss/_nav.scss
+++ b/site/static/docs/4.3/assets/scss/_nav.scss
@@ -46,9 +46,6 @@
   background-color: $bd-purple-bright;
 
   @include media-breakpoint-down(md) {
-    padding-right: .5rem;
-    padding-left: .5rem;
-
     .navbar-nav-scroll {
       width: 100%;
       height: 2.5rem;
diff --git a/site/static/docs/4.3/assets/scss/_sidebar.scss b/site/static/docs/4.3/assets/scss/_sidebar.scss
index 14f1364b7f..590464c12b 100644
--- a/site/static/docs/4.3/assets/scss/_sidebar.scss
+++ b/site/static/docs/4.3/assets/scss/_sidebar.scss
@@ -22,6 +22,10 @@
 .bd-search {
   position: relative; // To contain the Algolia search
 
+  @include media-breakpoint-down(md) {
+    width: 100%;
+  }
+
   .form-control:focus {
     border-color: $bd-purple-bright;
     box-shadow: 0 0 0 3px rgba($bd-purple-bright, .25);