function initMap() {

  var gray =
  [
      {
        "elementType":"geometry",
        "stylers":[
          {
            "color":"#f5f5f5"
          }
        ]
      },
      {
        "elementType":"labels.icon",
        "stylers":[
          {
            "visibility":"off"
          }
        ]
      },
      {
        "elementType":"labels.text.fill",
        "stylers":[
          {
            "color":"#616161"
          }
        ]
      },
      {
        "elementType":"labels.text.stroke",
        "stylers":[
          {
            "color":"#f5f5f5"
          }
        ]
      },
      {
        "featureType":"administrative.land_parcel",
        "elementType":"labels.text.fill",
        "stylers":[
          {
            "color":"#bdbdbd"
          }
        ]
      },
      {
        "featureType":"poi",
        "elementType":"geometry",
        "stylers":[
          {
            "color":"#eeeeee"
          }
        ]
      },
      {
        "featureType":"poi",
        "elementType":"labels.text.fill",
        "stylers":[
          {
            "color":"#757575"
          }
        ]
      },
      {
        "featureType":"poi.park",
        "elementType":"geometry",
        "stylers":[
          {
            "color":"#e5e5e5"
          }
        ]
      },
      {
        "featureType":"poi.park",
        "elementType":"labels.text.fill",
        "stylers":[
          {
            "color":"#9e9e9e"
          }
        ]
      },
      {
        "featureType":"road",
        "elementType":"geometry",
        "stylers":[
          {
            "color":"#ffffff"
          }
        ]
      },
      {
        "featureType":"road.arterial",
        "elementType":"labels.text.fill",
        "stylers":[
          {
            "color":"#757575"
          }
        ]
      },
      {
        "featureType":"road.highway",
        "elementType":"geometry",
        "stylers":[
          {
            "color":"#dadada"
          }
        ]
      },
      {
        "featureType":"road.highway",
        "elementType":"labels.text.fill",
        "stylers":[
          {
            "color":"#616161"
          }
        ]
      },
      {
        "featureType":"road.local",
        "elementType":"labels.text.fill",
        "stylers":[
          {
            "color":"#9e9e9e"
          }
        ]
      },
      {
        "featureType":"transit.line",
        "elementType":"geometry",
        "stylers":[
          {
            "color":"#e5e5e5"
          }
        ]
      },
      {
        "featureType":"transit.station",
        "elementType":"geometry",
        "stylers":[
          {
            "color":"#eeeeee"
          }
        ]
      },
      {
        "featureType":"water",
        "elementType":"geometry",
        "stylers":[
          {
            "color":"#c9c9c9"
          }
        ]
      },
      {
        "featureType":"water",
        "elementType":"labels.text.fill",
        "stylers":[
          {
            "color":"#9e9e9e"
          }
        ]
      }
    ]

  var image = '/img/icons/map-marker-red.png';

  var map = new google.maps.Map(document.getElementById('map-rest'), {
    zoom: 15,
    center: {lat: 59.931688, lng: 30.358224},
    styles: gray
  });

  var marker = new google.maps.Marker({
    position: {lat: 59.931688, lng: 30.358224},
    map: map,
    icon: image
  });
}