#dsm-google-map {
    height: 500px;
    width: 100%;
}
/*
#dsm-google-map {
    filter: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg"><filter id="g"><feColorMatrix type="matrix" values="0.3 0.3 0.3 0 0 0.3 0.3 0.3 0 0 0.3 0.3 0.3 0 0 0 0 0 1 0"/></filter></svg>#g');
    -webkit-filter: grayscale(100%);
    filter: grayscale(100%);
    filter: progid:DXImageTransform.Microsoft.BasicImage(grayScale=1);
}*/