body {
  margin:0;
  background-color: rgb(40,75,185);
}

.header {
  position:relative;
  background: linear-gradient(0deg, rgba(120,180,255,1) 0%, rgba(120,150,255,1) 100%);
  padding-top: 40vh;
}

.flex {
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
}

.waves {
  position:relative;
  width: 100%;
  height:15vh;
  margin-bottom:-7px; /*Fix for safari gap*/
  min-height:100px;
  max-height:150px;
}

.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;
}

.wave-1 {
    fill: rgba(40,75,185,1);
}
.wave-2 {
    fill: rgba(40,75,185,0.7);
}
.wave-3 {
    fill: rgba(40,75,185,0.5);
}
.wave-4 {
    fill: rgba(40,75,185,0.3);
}

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

@media (max-width: 768px) {
  .waves {
    height:40px;
    min-height:40px;
  }
  
  .content {
    height:30vh;
  }
}

@media (prefers-color-scheme: dark) {
body {
  background-color: rgb(0,20,100);
}

.header {
  background: linear-gradient(0deg, rgba(50,90,205,1) 0%, rgba(50,80,205,1) 100%);
}

.wave-1 {
    fill: rgba(0,20,100,1);
}
.wave-2 {
    fill: rgba(0,20,100,0.7);
}
.wave-3 {
    fill: rgba(0,20,100,0.5);
}
.wave-4 {
    fill: rgba(0,20,100,0.3);
}
}