bilibili右下角返回顶部按钮样式源代码
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title></title>
<style>
.back-to-top {
background-image: url("https://cdn.jsdelivr.net/gh/cetr/cdn@master/blog/img/space-to-top.png");
width: 62px;
height: 88px;
}
.back-to-top:hover {
animation: to-top-fly .4s steps(1) infinite;
}
@keyframes to-top-fly {
0% {
background-position-x: -142.5px;
}
16.5% {
background-position-x: -284.5px;
}
33% {
background-position-x: -429.5px;
}
49.5% {
background-position-x: -570.5px;
}
66% {
background-position-x: -714.5px;
}
82.5% {
background-position-x: -856.5px;
}
100% {
background-position-x: 0px;
}
}
</style>
</head>
<body>
<div class="back-to-top"></div>
</body>
</html>