#bubbles2 {
  position: relative;
  z-index: 1;
}
#bubbles2 .svg-content {
    display: inline-block;
    /* position: absolute; */
    top: 0;
    left: 0;
    z-index: -1;
}

#bubbles2 circle {
/*        opacity: 0.3;*/
  stroke: #3a403d;
  stroke-width: .5px;
}
#bubbles2 circle.toplevel {
  opacity: 0;
}
#bubbles2 circle.customer {
/*        opacity: 1;*/
  stroke: gray;
  stroke-width: 3px;
  fill: white;
  paint-order: stroke;

}
#bubbles2 text {
  opacity: 0.5;
/*        fill: white;*/
}