Hello guys today we will learn How to make animated background using HTML & CSS
First we need to create two files index.html and style.css then we need to do code for it.
Step:1
Add below code inside index.html
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Animated background</title>
<link rel="stylesheet" type="text/css" href="style.css">
</head>
<body>
<div class="animatedbg-outer">
<ul class="bg-animated">
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
</ul>
</div>
</body>
</html>
Step:2
Then we need to add code for style.css which code i provide in below screen.
* {
padding: 0;
margin: 0;
}
body {
background: #66a5ff;
animation: bganimation 10s ease-in-out forwards;
}
@keyframes bganimation {
0% { background: #c2d9fb; }
15% { background: #a3c8ff; }
50% { background: #89b7fb; }
75% { background: #77acfb; }
100% { background: #c2d9fb; }
}
@-webkit-keyframes bganimation {
0% { background: #c2d9fb; }
15% { background: #a3c8ff; }
50% { background: #89b7fb; }
75% { background: #77acfb; }
100% { background: #c2d9fb; }
}
.animatedbg-outer {
position: fixed;
top: 0;
left: 0;
width: 100%;
height: 100%;
overflow: hidden;
z-index: -1;
}
.bg-animated {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
z-index: 1;
}
.bg-animated li {
position: absolute;
list-style: none;
display: block;
width: 40px;
height: 40px;
background: #303030;
bottom: 50px;
animation: square 25s infinite;
-webkit-animation: square 25s infinite;
transition-timing-function: linear;
-webkit-transition-timing-function: linear;
opacity: 0;
}
.bg-animated li:nth-child(1) {
left: 4%;
border-radius: 50%;
background: transparent;
border: 4px solid #303030;
}
.bg-animated li:nth-child(2) {
left: 8%;
width: 75px;
height: 75px;
-webkit-animation-delay: 2s;
animation-delay: 2s;
-webkit-animation-duration: 15s;
animation-duration: 15s;
}
.bg-animated li:nth-child(3) {
left: 20%;
width: 175px;
height: 175px;
-webkit-animation-delay: 4s;
animation-delay: 4s;
}
.bg-animated li:nth-child(4) {
left: 45%;
width: 90px;
height: 90px;
-webkit-animation-duration: 20s;
animation-duration: 20s;
}
.bg-animated li:nth-child(5) {
left: 75%;
background: transparent;
border:4px solid #303030;
}
.bg-animated li:nth-child(6) {
left: 90%;
width: 90px;
height: 90px;
-webkit-animation-delay: 3s;
animation-delay: 3s;
border-radius: 50%;
background: transparent;
border: 4px solid #303030;
}
.bg-animated li:nth-child(7) {
left: 35%;
width: 60px;
height: 60px;
-webkit-animation-delay: 7s;
animation-delay: 7s;
background: transparent;
border: 4px solid #303030;
}
.bg-animated li:nth-child(8) {
left: 60%;
width: 50px;
height: 50px;
-webkit-animation-delay: 15s;
animation-delay: 15s;
-webkit-animation-duration: 40s;
animation-duration: 40s;
}
.bg-animated li:nth-child(9) {
left: 35%;
width: 140px;
height: 140px;
-webkit-animation-delay: 2s;
animation-delay: 2s;
-webkit-animation-duration: 40s;
animation-duration: 40s;
border-radius: 50%;
background: transparent;
border: 4px solid #303030;
}
.bg-animated li:nth-child(10) {
left: 95%;
width: 60px;
height: 60px;
-webkit-animation-delay: 10s;
animation-delay: 10s;
}
.bg-animated li:nth-child(11) {
left: 15%;
width: 40px;
height: 40px;
-webkit-animation-delay: 13s;
animation-delay: 13s;
border-radius: 50%;
}
.bg-animated li:nth-child(12) {
left: 65%;
width: 175px;
height: 175px;
-webkit-animation-delay: 7s;
animation-delay: 7s;
background: transparent;
border: 4px solid #303030;
}
.bg-animated li:nth-child(13) {
left: 70%;
width: 100px;
height: 100px;
-webkit-animation-delay: 8s;
animation-delay: 8s;
border-radius: 50%;
}
.bg-animated li:nth-child(14) {
left: 70%;
width: 100px;
height: 100px;
-webkit-animation-delay: 8s;
animation-delay: 8s;
border-radius: 50%;
}
@keyframes square {
0% {
-webkit-transform: translateY(0);
transform: translateY(0);
opacity: 0;
}
50% {
opacity: 1;
}
100% {
-webkit-transform: translateY(-700px) rotate(600deg);
transform: translateY(-700px) rotate(600deg);
opacity: 0;
}
}
@-webkit-keyframes square {
0% {
-webkit-transform: translateY(0);
transform: translateY(0);
opacity: 0;
}
50% {
opacity: 1;
}
100% {
-webkit-transform: translateY(-700px) rotate(600deg);
transform: translateY(-700px) rotate(600deg);
opacity: 0;
}
}