<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
</head>
<body>
<div class="bg" style="width: 100%;height: 1000px;">
<!-- <img src="栈出.png">
<img src="./u=264976548,648399195&fm=26&gp=0.jpg"> -->
</div>
</body>
</html>
<style>
//添加多张背景图片
.bg{
background: url("栈出.png"),
url("u=264976548,648399195&fm=26&gp=0.jpg");
background-repeat: no-repeat,no-repeat;
background-size: 190px,120px;
background-position: 0 0, 280px 51px;
}
//设置黑白色
html {
-webkit-filter: grayscale(100%);
/* webkit */
-moz-filter: grayscale(100%);
/*firefox*/
-ms-filter: grayscale(100%);
/*ie9*/
-o-filter: grayscale(100%);
/*opera*/
filter: grayscale(100%);
filter: progid:DXImageTransform.Microsoft.BasicImage(grayscale=1);
filter: gray;
/*ie9- */
}
</style>
