.waves-svg{width:100%; height:18vh; min-height:120px; max-height:160px}
.parallax > use{animation: move-forever 25s cubic-bezier(.55,.5,.45,.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)}}