anchor.diff:              google.maps.event.addDomListener(document.getElementById('zone_schools_tab'), 'click', function () {
                 $.each(cityBoundaries, function (index, feature) {
                   map.data.add(feature);
  -                map.data.overrideStyle(feature, {strokeWeight: 4});
  +                map.data.overrideStyle(feature, {strokeWeight: 3});
                 });
               });
             }
  
positive.code:       },{
          "featureType": "poi.school",
          "stylers": [
            { "visibility": "off" }
          ]
        },{
          "featureType": "landscape.man_made",
  
negative.code: 
        var boundaryStyle = {
          fillOpacity: 0,
          strokeColor: '#777777',
          strokeWeight: 0,
          clickable: false
        }
  