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How to set the background image adaptive centering in css: You can set it with the help of the background-position attribute, such as [background-positiion:center;], the attribute value center means centering.
The operating environment of this article: windows10 system, css 3, thinkpad t480 computer.
Attribute introduction:
In CSS, if we want a picture to be displayed vertically in the center, then we can use the background-position attribute to achieve this.
Property introduction:
The background-position property sets the starting position of the background image.
For example, if we want to use a local image as the background and center it, then we can do this:
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>php中文网(php.cn)</title>
<style>
body
{
background-image:url('smiley.gif');
background-repeat:no-repeat;
background-attachment:fixed;
background-position:center;
}
</style>
</head>
<body>
<p><b>注意：</b>该属性工作在 Firefox 和 Opera, background-attachment 属性会被设置为 "fixed"。</p>
</body>
</html>Related recommendations: CSS tutorial
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