console
<html>
<head></head>
<body>
<div class="wrapper">
<ul class="bg-bubbles">
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
</ul>
</div>
</body>
</html>
.wrapper {
background: #50a3a2;
background: -webkit-linear-gradient(top left, #50a3a2 0%, #53e3a6 100%);
background: linear-gradient(to bottom right, #50a3a2 0%, #53e3a6 100%);
position: absolute;
top: 50%;
left: 0;
width: 100%;
height: 400px;
margin-top: -200px;
overflow: hidden;
}
.bg-bubbles {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
z-index: 1;
}
.bg-bubbles li {
position: absolute;
list-style: none;
display: block;
width: 40px;
height: 40px;
border-radius: 50%;
background-color: rgba(255, 255, 255, 0.15);
bottom: -160px;
-webkit-animation: square 25s infinite;
animation: square 25s infinite;
-webkit-transition-timing-function: linear;
transition-timing-function: linear;
}
.bg-bubbles li:nth-child(1) {
left: 10%;
}
.bg-bubbles li:nth-child(2) {
left: 20%;
width: 80px;
height: 80px;
-webkit-animation-delay: 2s;
animation-delay: 2s;
-webkit-animation-duration: 17s;
animation-duration: 17s;
}
.bg-bubbles li:nth-child(3) {
left: 25%;
-webkit-animation-delay: 4s;
animation-delay: 4s;
}
.bg-bubbles li:nth-child(4) {
left: 40%;
width: 60px;
height: 60px;
-webkit-animation-duration: 22s;
animation-duration: 22s;
background-color: rgba(255, 255, 255, 0.25);
}
.bg-bubbles li:nth-child(5) {
left: 70%;
}
.bg-bubbles li:nth-child(6) {
left: 80%;
width: 120px;
height: 120px;
-webkit-animation-delay: 3s;
animation-delay: 3s;
background-color: rgba(255, 255, 255, 0.2);
}
.bg-bubbles li:nth-child(7) {
left: 32%;
width: 160px;
height: 160px;
-webkit-animation-delay: 7s;
animation-delay: 7s;
}
.bg-bubbles li:nth-child(8) {
left: 55%;
width: 20px;
height: 20px;
-webkit-animation-delay: 15s;
animation-delay: 15s;
-webkit-animation-duration: 40s;
animation-duration: 40s;
}
.bg-bubbles li:nth-child(9) {
left: 25%;
width: 10px;
height: 10px;
-webkit-animation-delay: 2s;
animation-delay: 2s;
-webkit-animation-duration: 40s;
animation-duration: 40s;
background-color: rgba(255, 255, 255, 0.3);
}
.bg-bubbles li:nth-child(10) {
left: 90%;
width: 160px;
height: 160px;
-webkit-animation-delay: 11s;
animation-delay: 11s;
}
@-webkit-keyframes square {
0% {
-webkit-transform: translateY(0);
transform: translateY(0);
}
100% {
-webkit-transform: translateY(-700px) rotate(600deg);
transform: translateY(-700px) rotate(600deg);
}
}
@keyframes square {
0% {
-webkit-transform: translateY(0);
transform: translateY(0);
}
100% {
-webkit-transform: translateY(-700px) rotate(600deg);
transform: translateY(-700px) rotate(600deg);
}
}