#particle-container {
  position: absolute;
  top: 0px;
  left: 0px;
  width: 100%;
  height: 100%;
  pointer-events: none; 
  z-index: 100;
  overflow: hidden;
  will-change: transform, opacity;
  /* background-color: rgba(255, 0, 0, 0.2); */
}
.particle {
  width: 100px;
  height: 100px;
  position: absolute;
  top: 0;
  left: 0;
  pointer-events: none;
  will-change: transform, opacity;
  background-size: cover;
}