.waves {
  position: relative;
  width: 100%;
  background-color: transparent;
  height: 150px;
  overflow: hidden;
}

.waves .wave {
  position: absolute;
  bottom: 0%;
  left: 0%;
  width: 100%;
  height: 100px;
  background: url(/assets/img/waves/wave_210.png);
}

.waves .wave.wave1 {
  animation: animate 30s linear infinite;
  z-index: 99;
  opacity: 1;
  animation-delay: 0s;
  bottom: 0%;
}

.waves .wave.wave2 {
  animation: animate2 15s linear infinite;
  z-index: 98;
  opacity: 0.5;
  animation-delay: -5s;
  bottom: 10px;
}

.waves .wave.wave3 {
  animation: animate 30s linear infinite;
  z-index: 97;
  opacity: 0.2;
  animation-delay: -2s;
  bottom: 15px;
}

.waves .wave.wave4 {
  animation: animate2 15s linear infinite;
  z-index: 96;
  opacity: 0.7;
  animation-delay: -5s;
  bottom: 10px;
}

@keyframes animate {
  0% {
    background-position-x: 0;
  }
  100% {
    background-position-x: 1000px;
  }
}

@keyframes animate2 {
  0% {
    background-position-x: 0;
  }
  100% {
    background-position-x: -1000px;
  }
}