css background-attachment:fixed为什么无效 代码如下
<!doctypehtml><htmllang="en"><head><metacharset="UTF-8"><title>Document</title><style...
<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
<style type="text/css">
*{margin:0;padding:0;}
html,body{height:100%;}
.bg{height:100%;}
.bg div{background-attachment:fixed;width:100%;height:100%;}
.bg .img01{background:url(img/1.jpg);}
.bg .img02{background:url(img/2.jpg);}
.bg .img03{background:url(img/3.jpg);}
.bg .img04{background:url(img/4.jpg);}
</style>
</head>
<body>
<div class="bg">
<div class="img01"></div>
<div class="img02"></div>
<div class="img03"></div>
<div class="img04"></div>
</div>
</body>
</html> 展开
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
<style type="text/css">
*{margin:0;padding:0;}
html,body{height:100%;}
.bg{height:100%;}
.bg div{background-attachment:fixed;width:100%;height:100%;}
.bg .img01{background:url(img/1.jpg);}
.bg .img02{background:url(img/2.jpg);}
.bg .img03{background:url(img/3.jpg);}
.bg .img04{background:url(img/4.jpg);}
</style>
</head>
<body>
<div class="bg">
<div class="img01"></div>
<div class="img02"></div>
<div class="img03"></div>
<div class="img04"></div>
</div>
</body>
</html> 展开
展开全部
background:url(img/1.jpg); 改成background-image,background:url 把
background-attachmen样式覆盖掉了。那个优先级别更高
background-attachmen样式覆盖掉了。那个优先级别更高
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