<style>
.bg-4 { 
    background-color: #222222;
    color: #ffffff;
}

/* Set black background color, white text and some padding */
footer {
  background-color: #555;
  color: white;
  padding: 15px;
}
	
#googleMap {
    width: 100%; /* Span the entire width of the screen */
    height: 400px; /* Set the height to 400 pixels */
    -webkit-filter: grayscale(100%);
    filter: grayscale(100%); /* Change the color of the map to black and white * /
}
	
</style>
