google map size slider not showing up -

i inserting google maps page. used code straight post: here changes coordinates , zoom. on page increase/decrease slider not showing in screenshot example given original posting.

  <script type="text/javascript"> var locations = [   ['lil builders',  40.845816, -73.168143, 1], ];  var map = new google.maps.map(document.getelementbyid('map'), {   zoom: 14,   center: new google.maps.latlng(40.845816, -73.168143),   maptypeid: google.maps.maptypeid.roadmap });  var infowindow = new google.maps.infowindow();  var marker, i;  (i = 0; < locations.length; i++) {     marker = new google.maps.marker({     position: new google.maps.latlng(locations[i][2], locations[i][3]),     map: map   });    google.maps.event.addlistener(marker, 'click', (function(marker, i) {     return function() {       infowindow.setcontent(locations[i][0]);       infowindow.open(map, marker);     }   })(marker, i)); } 

screen shot seeing here

my page live here

any ideas why? thanks!!

adding #map img { max-width: none; } fixed issue.