.contactmap{height: 540px}.contactmap iframe{height: 540px;width: 100%;border: 0;filter: url("data:image/svg+xml;utf8,<svg xmlns=\'http://www.w3.org/2000/svg\'><filter id=\'grayscale\'><feColorMatrix type=\'matrix\' values=\'0.3333 0.3333 0.3333 0 0 0.3333 0.3333 0.3333 0 0 0.3333 0.3333 0.3333 0 0 0 0 0 1 0\'/></filter></svg>#grayscale");filter: gray;-webkit-filter: grayscale(99%);-webkit-backface-visibility: hidden}.additionalfeatures{text-align: center}