header update

wp-content/themes/marcellus/header.php

@@ -29,7 +29,18 @@ j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src=
 </script>
 <!-- End Google Tag Manager -->
 
+<script>
+    document.addEventListener( 'wpcf7submit', function( event ) {
+    
+        window.dataLayer = window.dataLayer || [];
+        window.dataLayer.push({
+        'event' : 'Contact Us',
+        'userId' : <?php echo rand(0,1000); ?> //this number must be replaced with an actual User ID
+    });
+
+    }, false );
 
+</script>
 <link rel="stylesheet" href="<?php echo get_stylesheet_directory_uri(); ?>/css/bootstrap.min.css">
 <link rel="stylesheet" href="<?php bloginfo('template_directory'); ?>/css/owl.carousel.min.css">
 <link rel="stylesheet" href="<?php bloginfo('template_directory'); ?>/css/owl.theme.default.min.css">
@@ -68,9 +79,9 @@ height="0" width="0" style="display:none;visibility:hidden"></iframe>
             <div class="col-2 col-sm-2 col-md-2 col-lg-7 menu">
                 <div id="navigation">
                     <nav class="main-menu navbar navbar-expand-lg navbar-light bg-light">                          
-                      <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarSupportedContent" aria-controls="navbarSupportedContent" aria-expanded="false" aria-label="Toggle navigation">
-                        <span class="navbar-toggler-icon"></span>
-                      </button>
+  <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarSupportedContent" aria-controls="navbarSupportedContent" aria-expanded="false" aria-label="Toggle navigation">
+    <span class="navbar-toggler-icon"></span>
+  </button>
                         <div class="collapse navbar-collapse" id="navbarSupportedContent">
                         <?php wp_nav_menu( array( 'sort_column' => 'menu_order', 'theme_location' => 'primary-menu' ) ); ?>
                     </div>