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How to use the background-origin attribute
- 青灯夜游Original
- 2019-01-30 14:17:545319browse
The background-origin attribute is used to set the positioning area of the background image. It has three values that represent positioning relative to the inner margin box, positioning relative to the border box, and positioning relative to the content box.
CSS3 background-origin attribute
Function: Specifies the positioning area of the background image.
Description: Set or retrieve the reference origin (position) when calculating of the object's background image.
Syntax:
background-origin: padding-box|border-box|content-box;
padding-box: The background image is positioned relative to the padding box.
border-box: The background image is positioned relative to the border box.
content-box: The background image is positioned relative to the content box.
CSS3 background-origin property usage example
<!DOCTYPE html>
<html>
<head>
<style>
div
{
border:1px solid black;
padding:35px;
background-image:url('https://img.php.cn/upload/article/000/000/024/5c513adf97e86533.jpg');
background-repeat:no-repeat;
background-position:left;
}
#div1
{
background-origin:border-box;
}
#div2
{
background-origin:content-box;
}
</style>
</head>
<body>
<p>background-origin:border-box:</p>
<div id="div1">
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</div>
<p>background-origin:content-box:</p>
<div id="div2">
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</div>
</body>
</html>Rendering:
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