https://bitkom-akademie.de/themes/akademie/js/search.js?v=1.x

1(function ($, Drupal) {
2  Drupal.behaviors.search = {
3    attach: function (context, settings) {
4      
5
6      
7      $(document).ready(function(){
8        //add icon
9        if ($('#views-exposed-form-search-search-embed-1 > .js-form-item span').length == 0 ) {
10          $('#views-exposed-form-search-search-embed-1 > .js-form-item > input').before('<span class="search-icon pe-7s-search"></span>');
11        };
12        
13        //$('input.button.form-submit').addClass('cta-vivid-cyan-white invert');
14        
15        
16        $('.search-icon').bind("click", function() {
17          $('.search_overlay').fadeIn(700);
18        });
19        $('.search_overlay_closer_icon').bind("click", function() {
20          $('.search_overlay').fadeOut(700);
21        });
22        
23        $(context).find('input.form-autocomplete').on('autocompleteselect', function (event, ui) {
24          $('input.form-autocomplete').val(ui.item.label);
25          $('input.button.form-submit').delay( 1000 ).trigger("click");
26        });       
27      });
28    }
29
30  };
31  
32})(jQuery, Drupal);