use {
  animation: move-forever 2s linear infinite;
}
use:nth-child(2) {
  animation-duration: 2.5s;
  animation-delay: -1.5s;
}
use:nth-child(1) {
  animation-duration: 5s;
}

@keyframes move-forever {
  0% {
    transform: translate(-2px, 0);
  }
  100% {
    transform: translate(0px, 0);
  }
}
/* layout only*/
body {
  margin: 0;
  overflow: hidden;
  background-color: #a0d494;
}

svg {
  width: 100%;
  height: 100vh;
}