Fix for flickering blue mobile menu

css/allcss.css

@@ -28013,6 +28013,7 @@ blockquote p {
 }
 
 .left-off-canvas-menu {
+    display: none;
     -webkit-backface-visibility: hidden;
     background: #134a6a;
     bottom: 0;

js/menu.js

@@ -17,6 +17,7 @@ function hookupTOCEvents()
   $(".currentPage").each(function(){
     $(this).parentsUntil($('.docsidebarnav_section')).addClass("active").removeClass("menu-closed").addClass("menu-open");
   });
+  $(".left-off-canvas-menu").css("display","block");
 }
 jQuery(document).ready(function(){
     hookupTOCEvents();