效果 (源码网盘地址在最后)
视频演示
视频地址二：https://www.ixigua.com/i6818851166034592267/
源码
index.html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<link href="./style.css" rel="stylesheet">
<title>21.按钮悬停特效</title>
</head>
<body>
<div class="container">
<a href="#">
<span>Button</span>
<span>Button</span>
</a>
<a href="#">
<span>Button</span>
<span>Button</span>
</a>
</div>
</body>
</html>
CSS