如何设置固定的背景图像

实例代码“Ctrl+/”提示“F11/ESC”全屏返回格式化恢复运行

<!DOCTYPE html>
<html>
<head>
<style>
body 
{
background-image:url('/upload/love/css.gif');
background-repeat:no-repeat;
background-attachment:fixed;
}
</style>
</head>

<body>
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
</body>

</html>

​x
 
<!DOCTYPE html>
<html>
<head>
<style>
body 
{
background-image:url('/upload/love/css.gif');
background-repeat:no-repeat;
background-attachment:fixed;
}
</style>
</head>
​
<body>
<p>The background-image is fixed. Try to scroll down the page.</p>
<p>The background-image is fixed. Try to scroll down the page.</p>
<p>The background-image is fixed. Try to scroll down the page.</p>
<p>The background-image is fixed. Try to scroll down the page.</p>
<p>The background-image is fixed. Try to scroll down the page.</p>
<p>The background-image is fixed. Try to scroll down the page.</p>
<p>The background-image is fixed. Try to scroll down the page.</p>
<p>The background-image is fixed. Try to scroll down the page.</p>
<p>The background-image is fixed. Try to scroll down the page.</p>
<p>The background-image is fixed. Try to scroll down the page.</p>
<p>The background-image is fixed. Try to scroll down the page.</p>
<p>The background-image is fixed. Try to scroll down the page.</p>
<p>The background-image is fixed. Try to scroll down the page.</p>
<p>The background-image is fixed. Try to scroll down the page.</p>
<p>The background-image is fixed. Try to scroll down the page.</p>
</body>
​
</html>
            