.w1 {
  stroke: none;
  fill: #79c3e9;
  /*opacity: 55%;*/
  animation: move1 4.5s linear ;
  animation-direction: alternate;
  animation-iteration-count: infinite;
}

@keyframes move1 {
  0% {
    transform: translateX(-500px) scaleX(2.5);
  }
  50% {
    transform: translateX(-100) scaleX(2.5);
  }
  100% {
    transform: translateX(0) scaleX(2.5);
  }
}