<body>
    <div class="wrapper">
      <h1>Bubbles Animation</h1>
      <div><span class="dot"></span></div>
      <div><span class="dot"></span></div>
      <div><span class="dot"></span></div>
      <div><span class="dot"></span></div>
      <div><span class="dot"></span></div>
      <div><span class="dot"></span></div>
      <div><span class="dot"></span></div>
      <div><span class="dot"></span></div>
      <div><span class="dot"></span></div>
      <div><span class="dot"></span></div>
      <div><span class="dot"></span></div>
      <div><span class="dot"></span></div>
      <div><span class="dot"></span></div>
      <div><span class="dot"></span></div>
      <div><span class="dot"></span></div>
    </div>
  </body>
* {
  margin: 0;
  padding: 0;
}
.wrapper {
  height: 100%;
  width: 100%;
  background: linear-gradient(180deg, #04fafd, 5%, #119dff, 50%, #030423);
  position: absolute;
}
.wrapper h1 {
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  position: absolute;
  font-family: sans-serif;
  letter-spacing: 1px;
  word-spacing: 2px;
  color: #fff;
  font-size: 40px;
  font-weight: 888;
  text-transform: uppercase;
}
.wrapper div {
  height: 60px;
  width: 60px;
  border: 2px solid rgba(255, 255, 255, 0.7);
  border-radius: 50px;
  position: absolute;
  top: 10%;
  left: 10%;
  animation: 4s linear infinite;
}
div .dot {
  height: 10px;
  width: 10px;
  border-radius: 50px;
  background: rgba(255, 255, 255, 0.5);
  position: absolute;
  top: 20%;
  right: 20%;
}
.wrapper div:nth-child(1) {
  top: 20%;
  left: 20%;
  animation: animate 8s linear infinite;
}
.wrapper div:nth-child(2) {
  top: 60%;
  left: 80%;
  animation: animate 10s linear infinite;
}
.wrapper div:nth-child(3) {
  top: 40%;
  left: 40%;
  animation: animate 3s linear infinite;
}
.wrapper div:nth-child(4) {
  top: 66%;
  left: 30%;
  animation: animate 7s linear infinite;
}
.wrapper div:nth-child(5) {
  top: 90%;
  left: 10%;
  animation: animate 9s linear infinite;
}
.wrapper div:nth-child(6) {
  top: 30%;
  left: 60%;
  animation: animate 5s linear infinite;
}
.wrapper div:nth-child(7) {
  top: 70%;
  left: 20%;
  animation: animate 8s linear infinite;
}
.wrapper div:nth-child(8) {
  top: 75%;
  left: 60%;
  animation: animate 10s linear infinite;
}
.wrapper div:nth-child(9) {
  top: 50%;
  left: 50%;
  animation: animate 6s linear infinite;
}
.wrapper div:nth-child(10) {
  top: 45%;
  left: 20%;
  animation: animate 10s linear infinite;
}
.wrapper div:nth-child(11) {
  top: 10%;
  left: 90%;
  animation: animate 9s linear infinite;
}
.wrapper div:nth-child(12) {
  top: 20%;
  left: 70%;
  animation: animate 7s linear infinite;
}
.wrapper div:nth-child(13) {
  top: 20%;
  left: 20%;
  animation: animate 8s linear infinite;
}
.wrapper div:nth-child(14) {
  top: 60%;
  left: 5%;
  animation: animate 6s linear infinite;
}
.wrapper div:nth-child(15) {
  top: 90%;
  left: 80%;
  animation: animate 9s linear infinite;
}
@keyframes animate {
  0% {
    transform: scale(0) translateY(0) rotate(70deg);
  }
  100% {
    transform: scale(1.3) translateY(-100px) rotate(360deg);
  }
}

External CSS

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External JavaScript

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