<!DOCTYPE html>
<html>
<head>
<meta charset=
"utf-8"
>
<title>菜鸟教程(runoob.com)</title>
<style>
.button {
position: relative;
background-color:
#4CAF50;
border: none;
font-size: 28px;
color:
#FFFFFF;
padding: 20px;
width: 200px;
text-align: center;
-webkit-transition-duration: 0.4s;
/* Safari */
transition-duration: 0.4s;
text-decoration: none;
overflow: hidden;
cursor: pointer;
}
.button:after {
content:
""
;
background:
#90EE90;
display: block;
position: absolute;
padding-top: 300%;
padding-left: 350%;
margin-left: -20px!important;
margin-top: -120%;
opacity: 0;
transition: all 0.8s
}
.button:active:after {
padding: 0;
margin: 0;
opacity: 1;
transition: 0s
}
</style>
</head>
<body>
<h2>按钮动画 - 波纹效果</h2>
<button
class
=
"button"
>Click Me</button>
</body>
</html>
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