#cursor {
  animation: 1s blinker linear infinite;
  -webkit-animation: 1s blinker linear infinite;
  -moz-animation: 1s blinker linear infinite;
  color:var(--point_color_1);
}

@keyframes blinker {
  0% {
    opacity: 1;
  }
  50% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}