$("div.nav-button.popin-button-header").on("click", function() {
  $( "div.ajax-container" ).toggleClass( "shade" );
  $("div.ajax-container header h1").toggleClass("shadeText");
});

@@ -2,179 +2,170 @@
 (%22di
-v.nav-button.popin-button-header%22).on(%22click%22, function() %7B%0A  $( %22div.ajax-container%22 ).toggleClass( %22shade%22 );%0A  $(%22div.ajax-container header h1%22).toggleClass(%22shadeText%22
+c.mask.mask-outer ul.list li%22).on(%22click%22, function() %7B%0A  $('.main-header popin-header animation-start animation-start-timeout displayed').removeClass('displayed'
 );%0A%7D

Update custom.js