Source codes:
<!DOCTYPE html>
<html lang=”en”>
<head>
<meta charset=”UTF-8″>
<meta name=”viewport” content=”width=device-width, initial-scale=1.0″>
<title>Animation</title>
<style type=”text/css”>
* {
margin: 0;
padding: 0;
box-sizing: border-box;
}
body {
height: 100vh;
background-color: #4CAF50;
display: flex;
justify-content: center;
align-items: center;
}
.container {
height: 400px;
width: 400px;
border: 2px solid white;
border-radius: 50%;
animation: orbit 5s linear infinite;
}
.box {
height: 100px;
width: 100px;
border-radius: 50%;
margin-left: 10px;
background-color: #FFEB3B;
}
.box:nth-child(2) {
margin-left: -20px;
opacity: 0.8;
margin-top: -50px;
}
.box:nth-child(3) {
margin-left: -40px;
margin-top: -50px;
opacity: 0.5;
}
@keyframes orbit {
from {
transform: rotate(0deg);
}
to {
transform: rotate(360deg);
}
}
@media screen and (max-width: 430px) {
.container {
height: 300px;
width: 300px;
}
.box {
height: 80px;
width: 80px;
}
.box:nth-child(3) {
margin-left: -30px;
margin-top: -50px;
}
}
@media screen and (max-width: 380px){
.container {
height: 250px;
width: 250px;
}
}
@media screen and (max-width: 330px){
.container {
height: 250px;
width: 250px;
}
}
</style>
</head>
<body>
<div class=”container”>
<div class=”box”></div>
<div class=”box”></div>
<div class=”box”></div>
</div>
</body>
</html>
