.avia-leaflet-map-container.avia-grayscale-25 {filter: grayscale(25%);}
.avia-leaflet-map-container.avia-grayscale-50 {filter: grayscale(50%);}
.avia-leaflet-map-container.avia-grayscale-75 {filter: grayscale(75%);}
.avia-leaflet-map-container.avia-grayscale-100 {filter: grayscale(100%);}