html {
height: 100%;
}
body {
  width: 100%;
  height: 100%;
  overflow-y: visible;
  overflow-x: hidden;
  background-image: linear-gradient(0deg,#0F2640,#037690, #4DDACE);
  background-repeat: no-repeat;
  background-attachment: fixed;
  margin: 0;
}

.ocean::after, 
.ocean::before {
  background-color: white;
  width: 100%;
  height: 250px;
  position: absolute;
  content: '';
  top: -80px;
  left: -10%;
  border-radius: 100%;
  animation: waves 10s ease infinite;
  opacity: 0.2;
}
.ocean::before {
  top: -60px;
  animation-delay: 5s;
  opacity: 0.1;
  left: -5%;
}

    @keyframes waves {
      0%, 100% {transform: rotate(-2deg);}
      50% {transform: rotate(2deg);}
    }

.bubbles {
  width: 100%;
  height: 100%;
}
/*
Removing this, it speeds up and rotates(?) the bubbles. Also removing the reference of this in the above class (animation: bubbles 10s linear infinite;). - Dr. C 
    @keyframes bubbles {
      0%, 100% {transform: rotate(-5deg);}
      50% {transform: rotate(5deg);}
    }
*/
.bubbles span {
  width: 50px;
  height: 50px;
  border-radius: 100%;
  position: absolute;
  background-color: white;
  bottom: -10%;
  animation: bubble 10s ease-in-out infinite;
}

    @keyframes bubble {
      0% {bottom: -10%; opacity: 0;}
      100% {bottom: 100%;}
    }

.bubbles span:nth-child(1) {
  width: 50px;
  height: 50px;
  opacity: 0.5;
  left: 900px;
  animation-delay: 3s;
  animation-duration: 10s;
}

.bubbles span:nth-child(2) {
  width: 30px;
  height: 30px;
  opacity: 0.5;
  left: 300px;
  animation-delay: 1s;
  animation-duration: 5s;
}

.bubbles span:nth-child(3) {
  width: 10px;
  height: 10px;
  opacity: 0.5;
  left: 50px;
  animation-delay: 5s;
  animation-duration: 20s;
}

.bubbles span:nth-child(4) {
  width: 35px;
  height: 35px;
  opacity: 0.5;
  left: 400px;
  animation-delay: 8s;
  animation-duration: 8s;
}

.bubbles span:nth-child(5) {
  width: 45px;
  height: 45px;
  opacity: 0.5;
  left: 1300px;
  animation-delay: 10s;
  animation-duration: 15s;
}

.bubbles span:nth-child(6) {
  width: 40px;
  height: 40px;
  opacity: 0.5;
  left: 600px;
  animation-delay: 3s;
  animation-duration: 30s;
}

.bubbles span:nth-child(7) {
  width: 15px;
  height: 15px;
  opacity: 0.5;
  left: 90%;
  animation-duration: 25s;
}

.bubbles span:nth-child(8) {
  width: 20px;
  height: 20px;
  opacity: 0.5;
  left: 50%;
  animation-duration: 10s;
}

.fish-body1 {
  width: 200px;
  height: 100px;
  border-radius: 100%;
  background-color: olive;
  content: '';
  position: absolute;
  margin-top: 1000px;
  margin-left: 50px;
  z-index: 2px;
  box-shadow: inset 0px -10px 0px rgba(0, 0, 0, 0.1);
  animation: fish 35s ease-in infinite;
}
    

.eye1 {
  position: absolute;
  margin-left: 30px;
  margin-top: -7px;
  z-index: 2;
  background-color: white;
  border-radius: 50%;
  width: 20px;
  height: 20px;
}

.pupil1 {
  position: absolute;
  z-index: 2;
  margin-left: 5px;
  margin-top: 5px;
  background-color: black;
  border-radius: 50%;
  height: 10px;
  width: 10px;
}

.fin1 {
  margin-top: -60px; 
  margin-left: 180px;
  background-color: olive;
  border-radius: 50%;
  transform: rotate(150deg);
  width: 90px;
  height: 50px;
}

.fin00 {
  margin-top: -5px;
  margin-left:180px;
  background-color:olive;
  border-radius: 50%;
  transform: rotate(60deg);
  width: 60px;
  height: 50px;
}

.fin33 {
  margin-top: -30px;
  margin-left: 60px;
  background-color: olive;
  border-radius: 50%;
  transform: rotate(60deg);
  width: 70px;
  height: 50px;
}
.fin44
  { margin-top: -150px;
  margin-left: 80px;
  background-color: olive;
  border-radius: 50%;
  transform: rotate(160deg);
  width: 70px;
    height: 50px;
}


.mouth1 {
  border-radius: 100%;
  width: 25px;
  height: 15px;
  background-color: brown;
  box-shadow: inset 0px -5px 0px rgba(0, 0, 0, 0.3);
  margin-top: 35px;
  margin-left: 0px;
  z-index: 2;
  transform: rotate(5deg);
  border: solid 5px olive;
  animation: mouth 4s ease infinite;
}

    @keyframes mouth {
      0%, 100% { height: 25px; width: 15px;}
      50% { height: 15px; width: 8px;}
    }

.fish-body2 {
  position: absolute;
  width: 200px;
  height: 100px;
  border-radius: 100%;
  background-color: coral;
  margin-top: 500px;
  margin-left: -150px;
  box-shadow: inset 0px -10px 0px rgba(0, 0, 0, 0.1);
  animation: fish 35s ease-in infinite;
  animation-direction:reverse;
}


.eye2 {
  position: absolute;
  margin-left: -40px;
  margin-top: -2px;
  z-index: 2;
  background-color: white;
  border-radius: 50%;
  width: 20px;
  height: 20px;
}

.pupil2 {
  position: absolute;
  z-index: 2;
  margin-left: 5px;
  margin-top: 5px;
  background-color: black;
  border-radius: 50%;
  height: 10px;
  width: 10px;
}

.fin2 {
  margin-top: -20px;
  margin-left: -250px;
  background-color: coral;
  border-radius: 50%;
  transform: rotate(30deg);
  width: 90px;
  height: 50px;
}

.fin0 {
  margin-top: -5px;
  margin-left:-235px;
  background-color:coral;
  border-radius: 50%;
  transform: rotate(-60deg);
  width: 60px;
  height: 50px;
}

.fin3 {
  margin-top: -30px;
  margin-left: -140px;
  background-color: coral;
  border-radius: 50%;
  transform: rotate(-60deg);
  width: 70px;
  height: 50px;
}
.fin4
  { margin-top: -150px;
  margin-left: -160px;
  background-color: coral;
  border-radius: 50%;
  transform: rotate(20deg);
  width: 70px;
    height: 50px;
}
.mouth2 {
  border-radius: 100%;
  width: 25px;
  height: 15px;
  background-color: brown;
  box-shadow: inset 0px -5px 0px rgba(0, 0, 0, 0.3);
  margin-top: 35px;
  margin-left: 190px;
  z-index: -1;
  transform: rotate(5deg);
  border: solid 5px coral;
  animation: mouth 4s ease infinite;
}

    @keyframes mouth2 {
      0%, 100% { height: 25px; width: 15px;}
      50% { height: 15px; width: 8px;}
    }
.fish-body3 {
  width: 200px;
  height: 100px;
  border-radius: 100%;
  background-color: darkslateblue;
  position: absolute;
  transform: scaleX(1);
  margin-left: -150px;
  margin-top: -130px;
  box-shadow: inset 0px -10px 0px rgba(0, 0, 0, 0.1);
  animation: fish 28s ease-in infinite;
  animation-direction:reverse;
}

.eye3 {
  position: absolute;
  margin-left: -40px;
  margin-top: -2px;
  z-index: 2;
  background-color: white;
  border-radius: 50%;
  width: 20px;
  height: 20px;
}

.pupil3 {
  position: absolute;
  z-index: 2;
  margin-left: 5px;
  margin-top: 5px;
  background-color: black;
  border-radius: 50%;
  height: 10px;
  width: 10px;
}

.fin03 {
  margin-top: -20px;
  margin-left: -250px;
  background-color: darkslateblue;
  border-radius: 50%;
  transform: rotate(30deg);
  width: 90px;
  height: 50px;
}

.fin000 {
  margin-top: -5px;
  margin-left:-235px;
  background-color:darkslateblue;
  border-radius: 50%;
  transform: rotate(-60deg);
  width: 60px;
  height: 50px;
}

.fin333 {
  margin-top: -30px;
  margin-left: -140px;
  background-color: darkslateblue;
  border-radius: 50%;
  transform: rotate(-60deg);
  width: 70px;
  height: 50px;
}
.fin444
  { margin-top: -150px;
  margin-left: -160px;
  background-color: darkslateblue;
  border-radius: 50%;
  transform: rotate(20deg);
  width: 70px;
    height: 50px;
}
.mouth3 {
  border-radius: 100%;
  width: 25px;
  height: 15px;
  background-color: brown;
  box-shadow: inset 0px -5px 0px rgba(0, 0, 0, 0.3);
  margin-top: 35px;
  margin-left: 190px;
  z-index: 2;
  transform: rotate(5deg);
  border: solid 5px darkslateblue;
  animation: mouth 4s ease infinite;
}

    @keyframes mouth3 {
      0%, 100% { height: 25px; width: 15px;}
      50% { height: 15px; width: 8px;}
    }


.fish-body4 {
  position: absolute;
  width: 200px;
  height: 100px;
  border-radius: 100%;
  background-color: bisque;
  margin-top: 50px;
  margin-left: 180px;
  box-shadow: inset 0px -10px 0px rgba(0, 0, 0, 0.1);
  animation: fish 25s ease-in infinite;
}
    

.eye4 {
  position: absolute;
  margin-left: 30px;
  margin-top: -7px;
  z-index: 2;
  background-color: white;
  border-radius: 50%;
  width: 20px;
  height: 20px;
}

.pupil4 {
  position: absolute;
  z-index: 2;
  margin-left: 5px;
  margin-top: 5px;
  background-color: black;
  border-radius: 50%;
  height: 10px;
  width: 10px;
}

.fin04 {
  margin-top: -60px; 
  margin-left: 180px;
  background-color: bisque;
  border-radius: 50%;
  transform: rotate(150deg);
  width: 90px;
  height: 50px;
}

.fin0000 {
  margin-top: -5px;
  margin-left:180px;
  background-color:bisque;
  border-radius: 50%;
  transform: rotate(60deg);
  width: 60px;
  height: 50px;
}

.fin3333 {
  margin-top: -20px;
  margin-left: 60px;
  background-color: bisque;
  border-radius: 50%;
  transform: rotate(60deg);
  width: 70px;
  height: 50px;
}
.fin4444
  { margin-top: -140px;
  margin-left: 80px;
  background-color: bisque;
  border-radius: 50%;
  transform: rotate(160deg);
  width: 70px;
    height: 50px;
}
.mouth4 {
  border-radius: 100%;
  width: 25px;
  height: 15px;
  background-color: brown;
  box-shadow: inset 0px -5px 0px rgba(0, 0, 0, 0.3);
  margin-top: 35px;
  margin-left: 0px;
  z-index: 2;
  transform: rotate(5deg);
  border: solid 5px bisque;
  animation: mouth 4s ease infinite;
}

    @keyframes mouth4 {
      0%, 100% { height: 25px; width: 15px;}
      50% { height: 15px; width: 8px;}
    }

.fish-body5 {
  width: 200px;
  height: 100px;
  border-radius: 100%;
  background-color: #FC6E51;
  content: '';
  position: absolute;
  margin-top: 1500px;
  margin-left: 50px;
  z-index: 10px;
  box-shadow: inset 0px -10px 0px rgba(0, 0, 0, 0.1);
  animation: fish 35s ease-in infinite;
}
    

.eye5 {
  position: absolute;
  margin-left: 30px;
  margin-top: -7px;
  z-index: 1;
  background-color: white;
  border-radius: 50%;
  width: 20px;
  height: 20px;
}

.pupil5 {
  position: absolute;
  z-index: 2;
  margin-left: 5px;
  margin-top: 5px;
  background-color: black;
  border-radius: 50%;
  height: 10px;
  width: 10px;
}

.fin5 {
  margin-top: -40px; 
  margin-left: 160px;
  background-color: #FC6E51;
  border-radius: 50%;
  transform: rotate(150deg);
  width: 90px;
  height: 50px;
}

.fin55 {
  margin-top: -5px;
  margin-left:160px;
  background-color: #FC6E51;
  border-radius: 50%;
  transform: rotate(60deg);
  width: 60px;
  height: 50px;
}

.fin555 {
  margin-top: -30px;
  margin-left: 50px;
  background-color: #FC6E51;
  border-radius: 50%;
  transform: rotate(60deg);
  width: 70px;
  height: 50px;
}
.fin5555
  { margin-top: -160px;
  margin-left: 80px;
  background-color: #FC6E51;
  border-radius: 50%;
  transform: rotate(160deg);
  width: 70px;
    height: 50px;
}


.mouth5 {
  border-radius: 100%;
  width: 25px;
  height: 15px;
  background-color: brown;
  box-shadow: inset 0px -5px 0px rgba(0, 0, 0, 0.3);
  margin-top: 35px;
  margin-left: 0px;
  z-index: -10;
  transform: rotate(5deg);
  border: solid 5px #FC6E51;
  animation: mouth 4s ease infinite;
}

    @keyframes mouth {
      0%, 100% { height: 25px; width: 15px;}
      50% { height: 15px; width: 8px;}
    }
 @keyframes fish {
    0% { left: calc(100% + 30px); top: 60%;}
    50% {top: 40%}
    100% {left: -20%; top: 50%;}
    }
.light {
  position:absolute;
  top:0px;
  right:0px;
  bottom:0px;
  left:0px;
  filter:blur(3px);
  pointer-events:none;
}
.light:nth-child(odd){
  background:linear-gradient(-35deg,transparent 55%,rgba(255,255,255,.05) 55%, rgba(255,255,255,.05) 65%, transparent 65%, transparent 70%,rgba(255,255,255,.05) 70%, rgba(255,255,255,.05) 75%, transparent 75%);
  z-index:-1;
}

.light:nth-child(even){
  background:linear-gradient(-75deg,transparent 25%,rgba(255,255,255,.15) 25%, rgba(255,255,255,.15) 35%, transparent 35%, transparent 40%,rgba(255,255,255,.15) 40%, rgba(255,255,255,.15) 45%, transparent 45%);
  z-index:3;
}