diff --git a/_resource/overrides/partials/nav.html b/_resource/overrides/partials/nav.html
deleted file mode 100644
index bc376d24e..000000000
--- a/_resource/overrides/partials/nav.html
+++ /dev/null
@@ -1,35 +0,0 @@
-{#-
-  This file was automatically generated - do not edit
--#}
-{% import "partials/nav-item.html" as item with context %}
-{% set class = "md-nav md-nav--primary" %}
-{% if "navigation.tabs" in features %}
-  {% set class = class ~ " md-nav--lifted" %}
-{% endif %}
-{% if "toc.integrate" in features %}
-  {% set class = class ~ " md-nav--integrated" %}
-{% endif %}
-<nav class="{{ class }}" aria-label="{{ lang.t('nav') }}" data-md-level="0">
-  <label class="md-nav__title" for="__drawer">
-    <a href="{{ config.extra.homepage | d(nav.homepage.url, true) | url }}" title="{{ config.site_name | e }}" class="md-nav__button md-logo" aria-label="{{ config.site_name }}" data-md-component="logo">
-      {% include "partials/logo.html" %}
-    </a>
-    {{ config.site_name }}
-  </label>
-  {% if config.repo_url %}
-    <div class="md-nav__source">
-      {% include "partials/source.html" %}
-    </div>
-  {% endif %}
-  <ul class="md-nav__list" data-md-scrollfix>
-    {% for nav_item in nav %}
-      {% set path = "__nav_" ~ loop.index %}
-      {{ item.render(nav_item, path, 1) }}
-    {% endfor %}
-   <label class="md-nav__title" for="__drawer">
-    <a href="https://learn.percona.com/download-manual-percona-distribution-for-postgresql-11" onclick="_gaq.push(['b._trackEvent', 'Percona Distribution for PostgreSQL', 'Download', 'Download Manual Distribution for PostgreSQL']);" class="md-nav__link md-nav__link--active">
-      Download PDF
-    </a>
-  </label> 
-  </ul>
-</nav>
diff --git a/docs/css/osano.css b/docs/css/osano.css
index b89fa6ac2..0f9962afe 100644
--- a/docs/css/osano.css
+++ b/docs/css/osano.css
@@ -14,7 +14,7 @@
 .osano-cm-dialog {
     font-size: 0.75em;
     padding: 2em 1em;
-    color: var(--md-typeset-color);	
+    color: var(--md-typeset-color); 
     background: var(--md-footer-bg-color--dark);
 }
 .osano-cm-header,