body {
  margin: 0;
  padding: 0;
}

.sky {
  background: linear-gradient(180deg, #673ab7, #ff980094);
  height: 50vh;
}

.sun {
  position: relative;
  background: -webkit-radial-gradient(50vw 55vh, circle cover, rgba(254, 255, 255, 0.8) 5%, rgb(236, 255, 0) 10%, rgb(253 50 41 / 54%) 25%, rgb(243 0 0 / 37%) 40%, rgb(93, 0, 0) 100%);
  width: 100vw;
  height: 100vh;
  left: 0;
  top: 0;
  box-shadow: 0 0 8em 4em #ff6600cc, 0 0 8em -16em #ff660000 inset, 0 0 20px 5px #ffcc007d;
  opacity: 0.5;
}

.water {
  background: linear-gradient(to top, rgba(0,25,45,1) 0%,rgba(14,71,117,1) 35%, rgba(26,126,174,1) 70%, rgba(62,168,220,1) 100%);
  height: 50vh;
  overflow: hidden;
  position: relative;
}
.water:before {
  content: "";
  width: 100%;
  height: 100%;
  position: absolute;
  background: repeating-linear-gradient(175deg,rgba(165,165,165,0.08) 45%, rgba(175,175,175,0.08) 47%, rgba(235,235,235,0.08) 50%, rgba(195,195,195,0.08) 54%, rgba(165,165,165,0.08) 57%), linear-gradient(to left top, rgba(0,0,0,0.0) 10%,rgba(0,0,0,0.20) 44%,rgba(0,0,0,0.65) 95%,rgba(0,0,0,0.62) 100%);
  opacity: 0.5;
  box-shadow: 0 6px 6px -6px #ffc107 inset;
  animation: ocean 15s infinite;
}

.stone {
  position: relative;
  width: 3em;
  height: 1.5em;
  animation: skip-stone 4s 1.5s infinite;
  transform: translate(calc(50vw - 2em), 50vh);
  transition: transform 1s ease-out 0s;
  padding: 1em;
  z-index: 2;
  margin-left: -2em;
  transform-origin: center center;
}
.stone:before {
  background: radial-gradient(circle at 50% 120%, rgba(255, 255, 255, 0.5), rgba(255, 255, 255, 0) 70%);
  width: 1.75em;
  height: 0.65em;
  border-radius: 100%;
  content: "";
  display: block;
  position: absolute;
  top: 1.25em;
  transform: rotate(173deg);
  left: 1.25em;
  opacity: 0.75;
}
.stone:after {
  background: radial-gradient(circle at 40% 0%, #323232, #0a0a0a 80%, #000000 100%);
  width: 3em;
  height: 1.5em;
  border-radius: 100%;
  content: "";
  display: block;
}
.stone-shadow {
  position: absolute;
  width: 3em;
  height: 1.5em;
  padding: 1em;
  animation: skip-shadow 4s 1.5s infinite;
  transform: translate(50vw, 50vh);
  transition: transform 1s ease-out 0s;
  opacity: 0.35;
  margin-left: -1.5em;
  margin-top: -3em;
}
.stone-shadow:before {
  background: black;
  box-shadow: 0 0 1em 0 #000;
  z-index: 0;
  position: absolute;
  width: 1.75em;
  height: 0.65em;
  border-radius: 100%;
  content: "";
  display: block;
  top: 1.25em;
  left: 1.25em;
  opacity: 0.75;
}

.wave {
  position: relative;
  left: 50vw;
  top: 31vh;
  width: 0px;
  height: 0px;
  z-index: 1;
}
.wave:before, .wave:after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  transform: translate(50%) rotateX(75deg);
  border-radius: 100%;
  opacity: 0;
  width: 10px;
  height: 10px;
  border: 6px solid rgb(91 174 212 / 0.25);
  animation: dripple 4s ease-out 1.75s infinite;
}
.wave:after {
  animation-delay: 2.5s;
}
.wave2 {
  top: 19vh;
  transform: scale(0.8);
}
.wave2:before, .wave2:after {
  animation-delay: 2.25s;	
}
.wave3 {
  top: 8.5vh;
  transform: scale(0.6);
}
.wave3:before, .wave3:after {
  animation-delay: 2.65s;	
}
.wave4 {
  top: 0.5vh;
  transform: scale(0.4);
}
.wave4:before, .wave4:after {
  animation-delay: 2.95s;	
}
.wave5 {
  top: -4vh;
  transform: scale(0.2);
}
.wave5:before, .wave5:after {
  animation-delay: 3.35s;	
}
.wave6 {
  top: -5.5vh;
  transform: scale(0.1);
}
.wave6:before, .wave6:after {
  animation-delay: 3.75s;	
}

.drop {
  width: 1em;
  height: 2em;
  position: absolute;
  top: calc(50vh - 1em);
  left: calc(50vw - 0.5em);
}
.drop:before {
  content: "";
  background: #206a93;
  width: 0.25em;
  height: 0.25em;
  display: block;
  position: absolute;
  bottom: 0;
  left: 0.425em;
  opacity: 0;
  transform: rotate(45deg);
  border-radius: 0 100% 100% 100%;
  animation: drop-jump 4s 0.7s infinite;
}


@keyframes ocean {
	  0% { background-size: 100%; }
	 50% { background-size: 200%; }
	100% { background-size: 100%; }	
}

@keyframes dripple {
      0% { opacity: 0; width: 10px;  height: 10px; }
   12.5% { opacity: 1; }
     50% { opacity: 0; width: 250px; height: 250px; top: -15vh; }
     50% { opacity: 0; }
}

@keyframes drop-jump {
	  0% { bottom: 0;               }
	 85% { bottom: 0;   opacity: 0; }
	 86% { bottom: 0;   opacity: 1; }
	 95% { bottom: 2vh; opacity: 1; }
	100% { bottom: 0;   opacity: 0; }
}

@keyframes skip-stone {
	  0% { transform: translate(50vw, 50vh) scale(1);    }
	  9% { transform: translate(50vw, 35vh) scale(0.80); }
	 10% { transform: translate(50vw, 35vh) scale(0.85); }
	 19% { transform: translate(50vw, 23vh) scale(0.65); }
	 20% { transform: translate(50vw, 23vh) scale(0.70); }
	 29% { transform: translate(50vw, 13vh) scale(0.50); margin-left: -2em;   }
	 30% { transform: translate(50vw, 13vh) scale(0.55); margin-left: -2em;   }
	 39% { transform: translate(50vw, 5vh)  scale(0.35); margin-left: -2.1em; }
	 40% { transform: translate(50vw, 5vh)  scale(0.40); margin-left: -2.1em; }
	 49% { transform: translate(50vw, 0vh)  scale(0.20); margin-left: -2.2em; }
	 50% { transform: translate(50vw, 0vh)  scale(0.25); opacity: 1;   margin-left: -2.2em;  }
	 59% { transform: translate(50vw, -2vh) scale(0.10); opacity: 0.5; margin-left: -2.35em; }
	 60% { transform: translate(50vw, -2vh) scale(0.05); opacity: 0;   margin-left: -2.35em; }
	100% { transform: translate(50vw, 0vh)  scale(0);    opacity: 0;   margin-left: -2.5em;  }
}

@keyframes skip-shadow {
	  0% { transform: translate(50vw, 50vh) scale(1);    }
	  9% { transform: translate(50vw, 35vh) scale(0.80); }
	 11% { transform: translate(50vw, 35vh) scale(0.85); }
	 19% { transform: translate(50vw, 23vh) scale(0.65); }
	 21% { transform: translate(50vw, 23vh) scale(0.70); }
	 29% { transform: translate(50vw, 13vh) scale(0.50); }
	 31% { transform: translate(50vw, 13vh) scale(0.55); }
	 39% { transform: translate(50vw, 5vh)  scale(0.35); }
	 41% { transform: translate(50vw, 5vh)  scale(0.40); }
	 49% { transform: translate(50vw, 0vh)  scale(0.20); margin-left: -2.25em; }
	 51% { transform: translate(50vw, 0vh)  scale(0.25); opacity: 0.2; margin-left: -2.25em; }
	 59% { transform: translate(50vw, -2vh) scale(0.10); opacity: 0.1; margin-left: -2.25em;}
	 61% { transform: translate(50vw, -2vh) scale(0.05); opacity: 0;  margin-left: -2.25em; }
	100% { transform: translate(50vw, 0vh)  scale(0);    opacity: 0;   }
}