.shape {
  shape-rendering: geometricPrecision;
  stroke-linejoin: round;
}
.connection {
  stroke-linecap: round;
  stroke-linejoin: round;
}
.blend {
  mix-blend-mode: multiply;
  opacity: 0.5;
}


@keyframes dashdraw {
  from {
    stroke-dashoffset: 30;
  }
}

path[stroke-dasharray] {
  stroke-dasharray: 15 15;
  animation: dashdraw 0.5s linear infinite;
}