.waves {
  height: 6em;
  width: 100%;
  margin-top: -3em;
  z-index: 1;
  position: absolute;
}

.wave1 use {
  -webkit-animation: move-forever1 10s linear infinite;
  animation: move-forever1 10s linear infinite;
  -webkit-animation-delay: -2s;
  animation-delay: -2s;
}

.wave2 use {
  -webkit-animation: move-forever2 10s linear infinite;
  animation: move-forever2 10s linear infinite;
  -webkit-animation-delay: -2s;
  animation-delay: -2s;
}

.wave3 use {
  -webkit-animation: move-forever3 10s linear infinite;
  animation: move-forever3 10s linear infinite;
  -webkit-animation-delay: -2s;
  animation-delay: -2s;
}

@-webkit-keyframes move-forever1 {
  0% {
    transform: translate(7em, 0%);
  }

  100% {
    transform: translate(-8em, 0%);
  }
}

@keyframes move-forever1 {
  0% {
    transform: translate(7em, 0%);
  }

  100% {
    transform: translate(-8em, 0%);
  }
}

@-webkit-keyframes move-forever2 {
  0% {
    transform: translate(-8em, 0%);
  }

  100% {
    transform: translate(7em, 0%);
  }
}

@keyframes move-forever2 {
  0% {
    transform: translate(-90px, 0%);
  }

  100% {
    transform: translate(85px, 0%);
  }
}

@-webkit-keyframes move-forever3 {
  0% {
    transform: translate(-90px, 0%);
  }

  100% {
    transform: translate(85px, 0%);
  }
}

@keyframes move-forever3 {
  0% {
    transform: translate(-90px, 0%);
  }

  100% {
    transform: translate(85px, 0%);
  }
}