circle {
    cursor: pointer;
    stroke: green;
    stroke-width: 1.5px;
}
.link {
    fill: none;
    stroke: #E149F5;
    stroke-width: 1.5px;
}
text {
    font: 16px sans-serif;
    pointer-events: none;
    stroke: white;
    stroke-width: 0.6px;
}   
.overlay {
    fill: none;
	pointer-events: all;
}