<div id="custom-marker"><img src="./icon.png" alt=""></div>
#custom-marker
{
width: 50px;
height: 50px;
cursor: pointer;
display: none;
}
#custom-marker img
{
max-width: 100%;
height: auto;
}
var map = new geolonia.Map({ container: 'my-map' });
setInterval(function() { map.rotateTo( map.getBearing() + 90 ) }, 5000);