body {
  background-color: coral;
}

#snow {
  background: none;
  background-image: url("../img/corndog-tile-1.png"), url("../img/corndog-tile.png"), url("../img/corndog-tile-2.png");
  height: 100%;
  left: 0;
  position: absolute;
  top: 0;
  width: 100%;
  z-index: 1;
  animation: snow 1000s linear infinite;
  transform: translate(0, 0);
}

@keyframes snow {
  0% {
    background-position: 0px 0px, 0px 0px, 0px 0px;
  }
  100% {
    background-position: 50000px 50000px, 10000px 20000px, -10000px 15000px;
  }
}