effect
Source code
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>日食</title>
<style>
*{
margin: 0;
padding: 0;
}
body{
background-color: skyblue;
animation: bgChange 5s linear infinite;
}
.eclipse{
position: absolute;
top:0;
left:0;
bottom: 0;
right: 0;
width: 100px;
height: 100px;
border-radius: 100%;
margin:auto;
}
.eclipse-after{
animation: eclipse 5s linear infinite;
}
.eclipse-before{
background: #fff;
animation: shadow 5s linear infinite;
}
@keyframes bgChange{
0%,100%{
background: skyblue;
}
45%,60%{
background:#282c34;
}
}
@keyframes shadow{
50%{
box-shadow: 0 0 10px 5px #fff;
}
}
@keyframes eclipse{
0%{
left:300px;
background-color: skyblue;
}
45%,60%{
left:0;
background: #282c34;
}
100%{
left:-300px;
background: skyblue;
}
}
</style>
</head>
<body>
<div class="eclipse eclipse-before"></div>
<div class="eclipse eclipse-after"></div>
</body>
</html>