https://github.com/markmarkoh/datamaps has a very nice javascript vector map, but it doesn't seem to have an option to change the colour of the ocean. I do however see that some of the demos have a different colour for the ocean. How can I change the colour of the ocean?
You can change the background colour of the target element. For instance if your div has the id 'data-map':
<div id="data-map"></div>
And you initiate the map like:
var datamap = new Datamap({
element: document.getElementById("data-map")
});
Because the svg is transparent you can change the background colour of the div. This will make the 'oceans' that colour:
#data-map {
background-color: #F00; //red
}
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