body {
  margin: 0;
  padding: 0;
  background: #eff7fa;
  width: 100%;
  height: 100%;
  overflow: hidden;
}
 bubbles
{
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}
.bubbles li
{
  position: absolute;
  list-style: none;
  display: block;
  width: 20px;
  height: 20px;
  background: #a5cae5;
  animation: animate 25s linear;
  animation-iteration-count: infinite;
  bottom: -200px;
}
.bubbles li:nth-child(1)
{
  left: 25%;
  width: 80px;
  height: 80px;
  animation-delay: 0s;
  animation-duration: 12s;
}
.bubbles li:nth-child(2)
{
  left: 10%;
  width: 20px;
  height: 20px;
  animation-delay: 2s;
  animation-duration: 25s;
}
.bubbles li:nth-child(3)
{
  left: 70%;
  width: 20px;
  height: 20px;
  animation-delay: 4s;
  animation-duration: 15s;
}
.bubbles li:nth-child(4)
{
  left: 40%;
  width: 60px;
  height: 60px;
  animation-delay: 5s;
  animation-duration: 16s;
}
.bubbles li:nth-child(5)
{
  left: 65%;
  width: 20px;
  height: 20px;
  animation-delay: 0s;
  animation-duration: 10s;
}
.bubbles li:nth-child(6)
{
  left: 75%;
  width: 110px;
  height: 110px;
  animation-delay: 3s;
  animation-duration: 22s;
}
.bubbles li:nth-child(7)
{
  left: 35%;
  width: 150px;
  height: 150px;
  animation-delay: 7s;
  animation-duration: 18s;
}
.bubbles li:nth-child(8)
{
  left: 50%;
  width: 25px;
  height: 25px;
  animation-delay: 8s;
  animation-duration: 5s;
}
.bubbles li:nth-child(9)
{
  left: 20%;
  width: 15px;
  height: 15px;
  animation-delay: 2s;
   animation-duration: 22s;
}
.bubbles li:nth-child(10)
{
  left: 85%;
  width: 150px;
  height: 150px;
  animation-delay: 0s;
  animation-duration: 20s;
}
@keyframes animate /*bubbles*/
{
  0%
  {
    transform: translateY(0) rotate(0deg);
    opacity: 1;
    border-radius: 0%;
  }
  100%
   {
    transform: translateY(-1000px) rotate(720deg);
    opacity: 0;
    border-radius: 50%;
  }
 /*end of bubbles*/
}

 bubblestwo
{
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
 }
 .bubblestwo li
{
  position: absolute;
  list-style: none;
  display: block;
  width: 20px;
  height: 20px;
  background: #a5cae5;
  animation: animate 15s linear;
  animation-iteration-count: infinite;
  bottom: -200px;
}
.bubblestwo li:nth-child(1)
{
  left: 20%;
  width: 35px;
  height: 35px;
  animation-delay: 2s;
  animation-duration: 15s;
}
.bubblestwo li:nth-child(2)
{
  left: 75%;
  width: 80px;
  height: 80px;
  animation-delay: 1s;
  animation-duration: 20s;
}
.bubblestwo li:nth-child(3)
{
  left: 25%;
  width: 42px;
  height: 42px;
  animation-delay: 6s;
  animation-duration: 10s;
}
.bubblestwo li:nth-child(4)
{
  left: 10%;
  width: 65px;
  height: 65px;
  animation-delay: 2s;
  animation-duration: 30s;
}
.bubblestwo li:nth-child(5)
{
  left: 50%;
  width: 95px;
  height: 95px;
  animation-delay: 5s;
  animation-duration: 22s;
}
.bubblestwo li:nth-child(6)
{
  left: 90%;
  width: 70px;
  height: 70px;
  animation-delay: 5s;
  animation-duration: 18s;
}
.bubblestwo li:nth-child(7)
{
  left: 20%;
  width: 15px;
  height: 15px;
  animation-delay: 10s;
  animation-duration:22s;
}
.bubblestwo li:nth-child(8)
{
  left: 65%;
  width: 70px;
  height: 70px;
  animation-delay: 8s;
  animation-duration: 16s;
}
.bubblestwo li:nth-child(9)
{
  left: 38%;
  width: 40px;
  height: 40px;
  animation-delay: 5s;
  animation-duration: 25s;
}
.bubblestwo li:nth-child(10)
{
  left: 55%;
  width: 25px;
  height: 25px;
  animation-delay: 4s;
  animation-duration: 14s;
}
@keyframes animate /*bubblestwo*/
{
  0%
  {
    transform: translateY(0) rotate(0deg);
    opacity: 1;
    border-radius: 0%;
  }
  100%
   {
    transform: translateY(-800px) rotate(360deg);
    opacity: 0;
    border-radius: 50%;
  }
 /*end of bubbles.two*/
}