.map-colour:hover {
	fill: #FFD520;
	transition: fill 0.3s ease; /* Smooth transition over 0.3 seconds */
}
.tooltip {
	pointer-events:none; /*let mouse events pass through*/
    opacity:0;
    transition: opacity 0.3s;
    text-shadow:1px 1px 0px gray;
}

path:hover + g.tooltip.css {
  opacity:1;
}