<!DOCTYPE html><html lang="en"><head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>CSS 3.0实现泼墨画</title>
<style>
* {
margin: 0;
padding: 0;
box-sizing: border-box;
}
section {
position: relative;
width: 100%;
min-height: 100vh;
background: url(bg.jpg);
background-size: cover;
}
section::before {
content: '';
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
background: url(splash.jpg);
background-position: center;
mix-blend-mode: screen;
background-size: 2200px;
}
</style></head><body>
<section></section></body></html>
