.waves {
  position: absolute;
  top: 0;
  width: 100%;
  height: 15vh;
  min-height: 80px;
  max-height: 100px;
}

.parallax > use {
  animation: move-forever 25s cubic-bezier(0.55, 0.5, 0.45, 0.5) infinite;
}

.parallax > use:nth-child(1) {
  animation-delay: -2s;
  animation-duration: 7s;
}

.parallax > use:nth-child(2) {
  animation-delay: -3s;
  animation-duration: 10s;
}

.parallax > use:nth-child(3) {
  animation-delay: -4s;
  animation-duration: 13s;
}

.parallax > use:nth-child(4) {
  animation-delay: -5s;
  animation-duration: 20s;
}

@keyframes move-forever {
  0% {
    transform: translate3d(-90px, 0, 0);
  }
  100% {
    transform: translate3d(85px, 0, 0);
  }
}

/* Responsive Design */
@media (max-width: 1200px) {
  .waves {
    height: 12vh;
  }
}

@media (max-width: 992px) {
  .waves {
    height: 10vh;
  }
}

@media (max-width: 768px) {
  .waves {
    height: 8vh;
  }

  .parallax > use {
    animation-duration: 20s;
  }
}

@media (max-width: 576px) {
  .waves {
    height: 6vh;
  }

  .parallax > use {
    animation-duration: 15s;
  }
}

@media (max-width: 400px) {
  .waves {
    height: 4vh;
  }

  .parallax > use {
    animation-duration: 10s;
  }
}