How to set the background to remain unchanged in css
How to set the background of css to be fixed: first create an HTML sample file; then enter the head tag and css style tag code; then between the style tags, enter the code that defines the background image of the web page; finally set "background -repeat:no-repeat" attribute is enough.
The operating environment of this article: Windows7 system, HTML5&&CSS3 version, Dell G3 computer.
First we open the system notepad program and enter the basic code of the web page
<html> <body> </body> </html>
Then enter the head tag and css style tag code
<head> <style type="text/css"> </style> </head>
Click between the style tags and enter the code that defines the background image of the web page
body
{
background-image:url('d:/bg.gif');
}
<body> <p>图像不会随页面滚动。</p> <p>图像不会随页面滚动。</p> <p>图像不会随页面滚动。</p> <p>图像不会随页面滚动。</p> <p>图像不会随页面滚动。</p> <p>图像不会随页面滚动。</p> <p>图像不会随页面滚动。</p> <p>图像不会随页面滚动。</p> <p>图像不会随页面滚动。</p> <p>图像不会随页面滚动。</p> <p>图像不会随页面滚动。</p> <p>图像不会随页面滚动。</p> <p>图像不会随页面滚动。</p> <p>图像不会随页面滚动。</p> <p>图像不会随页面滚动。</p> <p>图像不会随页面滚动。</p> <p>图像不会随页面滚动。</p> <p>图像不会随页面滚动。</p> <p>图像不会随页面滚动。</p> <p>图像不会随页面滚动。</p> <p>图像不会随页面滚动。</p> <p>图像不会随页面滚动。</p> <p>图像不会随页面滚动。</p> <p>图像不会随页面滚动。</p> </body>
<style type="text/css">
body
{
background-image:url(d:/bg.gif);
background-repeat:no-repeat;
}
</style>
<style type="text/css">
body
{
background-image:url(d:/bg.gif);
background-repeat:no-repeat;
background-attachment:fixed
}
</style>
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