@import url("https://fonts.googleapis.com/css?family=Exo+2:900");
h1 {
  font-family: "Exo 2", sans-serif;
  font-size: 8.5vw;
  color: white;
  padding: 5rem 0;
  text-shadow: 0px 4px 48px rgba(255, 255, 255, 0.2);
}

.container {
  position: relative;
  display: flex;
  align-content: center;
  justify-content: center;
  background-image: linear-gradient(to bottom, #00c9ff 0%, #92fe9d 100%), url(https://images.unsplash.com/photo-1502726299822-6f583f972e02);
  background-blend-mode: multiply;
  background-size: cover;
  overflow: hidden;
}

.bubbles-container {
  position: absolute;
  top: 0;
  left: 50%;
  width: 100%;
  max-width: 15rem;
  transform: translateX(-50%);
  opacity: 0.75;
  overflow: visible;
}

.bubbles {
  width: 100%;
  height: auto;
}
.bubbles circle {
  stroke: white;
  fill: none;
}
.bubbles > g > g:nth-of-type(3n) circle {
  stroke: #87f5fb;
}
.bubbles > g > g:nth-of-type(4n) circle {
  stroke: #8be8cb;
}

.bubbles-large {
  overflow: visible;
}
.bubbles-large > g {
  transform: translateY(2048px);
  opacity: 0;
  will-change: transform, opacity;
}
.bubbles-large g:nth-of-type(1) {
  -webkit-animation: up 6.5s infinite;
          animation: up 6.5s infinite;
}
.bubbles-large g:nth-of-type(1) g {
  transform: translateX(350px);
}
.bubbles-large g:nth-of-type(1) circle {
  -webkit-animation: wobble 3s infinite ease-in-out;
          animation: wobble 3s infinite ease-in-out;
}
.bubbles-large g:nth-of-type(2) {
  -webkit-animation: up 5.25s 250ms infinite;
          animation: up 5.25s 250ms infinite;
}
.bubbles-large g:nth-of-type(2) g {
  transform: translateX(450px);
}
.bubbles-large g:nth-of-type(2) circle {
  -webkit-animation: wobble 3s infinite ease-in-out;
          animation: wobble 3s infinite ease-in-out;
}
.bubbles-large g:nth-of-type(3) {
  -webkit-animation: up 6s 750ms infinite;
          animation: up 6s 750ms infinite;
}
.bubbles-large g:nth-of-type(3) g {
  transform: translateX(700px);
}
.bubbles-large g:nth-of-type(3) circle {
  -webkit-animation: wobble 3s infinite ease-in-out;
          animation: wobble 3s infinite ease-in-out;
}
.bubbles-large g:nth-of-type(4) {
  -webkit-animation: up 5.5s 1.5s infinite;
          animation: up 5.5s 1.5s infinite;
}
.bubbles-large g:nth-of-type(4) g {
  transform: translateX(500px);
}
.bubbles-large g:nth-of-type(4) circle {
  -webkit-animation: wobble 3s infinite ease-in-out;
          animation: wobble 3s infinite ease-in-out;
}
.bubbles-large g:nth-of-type(5) {
  -webkit-animation: up 6.5s 4s infinite;
          animation: up 6.5s 4s infinite;
}
.bubbles-large g:nth-of-type(5) g {
  transform: translateX(675px);
}
.bubbles-large g:nth-of-type(5) circle {
  -webkit-animation: wobble 3s infinite ease-in-out;
          animation: wobble 3s infinite ease-in-out;
}

.bubbles-small {
  overflow: visible;
}
.bubbles-small > g {
  transform: translateY(2048px);
  opacity: 0;
  will-change: transform, opacity;
}
.bubbles-small g circle {
  transform: scale(0);
}
.bubbles-small g:nth-of-type(1) {
  -webkit-animation: up 5.25s infinite;
          animation: up 5.25s infinite;
}
.bubbles-small g:nth-of-type(1) g {
  transform: translateX(350px);
}
.bubbles-small g:nth-of-type(1) circle {
  -webkit-animation: wobble 3s infinite ease-in-out;
          animation: wobble 3s infinite ease-in-out;
}
.bubbles-small g:nth-of-type(2) {
  -webkit-animation: up 5.75s infinite;
          animation: up 5.75s infinite;
}
.bubbles-small g:nth-of-type(2) g {
  transform: translateX(750px);
}
.bubbles-small g:nth-of-type(2) circle {
  -webkit-animation: wobble 3s infinite ease-in-out;
          animation: wobble 3s infinite ease-in-out;
}
.bubbles-small g:nth-of-type(3) {
  -webkit-animation: up 5.25s 250ms infinite;
          animation: up 5.25s 250ms infinite;
}
.bubbles-small g:nth-of-type(3) g {
  transform: translateX(350px);
}
.bubbles-small g:nth-of-type(3) circle {
  -webkit-animation: wobble 3s 250ms infinite ease-in-out;
          animation: wobble 3s 250ms infinite ease-in-out;
}
.bubbles-small g:nth-of-type(4) {
  -webkit-animation: up 5.75s 325ms infinite;
          animation: up 5.75s 325ms infinite;
}
.bubbles-small g:nth-of-type(4) g {
  transform: translateX(180px);
}
.bubbles-small g:nth-of-type(4) circle {
  -webkit-animation: wobble 3s 325ms infinite ease-in-out;
          animation: wobble 3s 325ms infinite ease-in-out;
}
.bubbles-small g:nth-of-type(5) {
  -webkit-animation: up 6s 125ms infinite;
          animation: up 6s 125ms infinite;
}
.bubbles-small g:nth-of-type(5) g {
  transform: translateX(350px);
}
.bubbles-small g:nth-of-type(5) circle {
  -webkit-animation: wobble 3s 250ms infinite ease-in-out;
          animation: wobble 3s 250ms infinite ease-in-out;
}
.bubbles-small g:nth-of-type(6) {
  -webkit-animation: up 5.13s 250ms infinite;
          animation: up 5.13s 250ms infinite;
}
.bubbles-small g:nth-of-type(6) g {
  transform: translateX(650px);
}
.bubbles-small g:nth-of-type(6) circle {
  -webkit-animation: wobble 3s 125ms infinite ease-in-out;
          animation: wobble 3s 125ms infinite ease-in-out;
}
.bubbles-small g:nth-of-type(7) {
  -webkit-animation: up 6.25s 350ms infinite;
          animation: up 6.25s 350ms infinite;
}
.bubbles-small g:nth-of-type(7) g {
  transform: translateX(480px);
}
.bubbles-small g:nth-of-type(7) circle {
  -webkit-animation: wobble 3s 325ms infinite ease-in-out;
          animation: wobble 3s 325ms infinite ease-in-out;
}
.bubbles-small g:nth-of-type(8) {
  -webkit-animation: up 7s 200ms infinite;
          animation: up 7s 200ms infinite;
}
.bubbles-small g:nth-of-type(8) g {
  transform: translateX(330px);
}
.bubbles-small g:nth-of-type(8) circle {
  -webkit-animation: wobble 3s 325ms infinite ease-in-out;
          animation: wobble 3s 325ms infinite ease-in-out;
}
.bubbles-small g:nth-of-type(9) {
  -webkit-animation: up 6.25s 233ms infinite;
          animation: up 6.25s 233ms infinite;
}
.bubbles-small g:nth-of-type(9) g {
  transform: translateX(230px);
}
.bubbles-small g:nth-of-type(9) circle {
  -webkit-animation: wobble 3s 275ms infinite ease-in-out;
          animation: wobble 3s 275ms infinite ease-in-out;
}
.bubbles-small g:nth-of-type(10) {
  -webkit-animation: up 6s 900ms infinite;
          animation: up 6s 900ms infinite;
}
.bubbles-small g:nth-of-type(10) g {
  transform: translateX(730px);
}
.bubbles-small g:nth-of-type(10) circle {
  -webkit-animation: wobble 2s 905ms infinite ease-in-out;
          animation: wobble 2s 905ms infinite ease-in-out;
}

@-webkit-keyframes wobble {
  33% {
    transform: translateX(-50px);
  }
  66% {
    transform: translateX(50px);
  }
}

@keyframes wobble {
  33% {
    transform: translateX(-50px);
  }
  66% {
    transform: translateX(50px);
  }
}
@-webkit-keyframes up {
  0% {
    opacity: 0;
  }
  10%, 90% {
    opacity: 1;
  }
  100% {
    opacity: 0;
    transform: translateY(-1024px);
  }
}
@keyframes up {
  0% {
    opacity: 0;
  }
  10%, 90% {
    opacity: 1;
  }
  100% {
    opacity: 0;
    transform: translateY(-1024px);
  }
}