所属分类：web前端开发
使用 CSSbackground-origin 属性设置内容框值。通过 content-box 值，背景图像从内容的左上角开始。
示例
现场演示
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<html>
<head>
<style>
#value1 {
border: 3px solid blue;
padding: 30px;
background: url(https://img.zzsucai.com/202309/06/HbuyV31673014207.jpg);
background-repeat: no-repeat;
background-origin: padding-box;
}
#value2 {
border: 3px solid orange;
padding: 30px;
background: url(https://img.zzsucai.com/202309/06/HbuyV31673014207.jpg);
background-repeat: no-repeat;
background-origin: border-box;
}
#value3 {
border: 3px dashed yellow;
padding: 30px;
background: url(https://img.zzsucai.com/202309/06/HbuyV31673014207.jpg);
background-repeat: no-repeat;
background-origin: content-box;
}
</style>
</head>
<body>
<h1>padding-box value</h1>
<div id = "value1">
<h2>Heading 2</h2>
<p>This is demo text. This is demo text. This is demo text. This is demo text. This is demo text. This is demo text. This is demo text. This is demo text. This is demo text.
<h3>Heading 3</h3>
This is demo text. This is demo text. This is demo text. This is demo text. This is demo text. This is demo text. This is demo text.</p>
</div>
<h1>border-box value</h1>
<div id = "value2">
<h2>Heading 2</h2>
<p>This is demo text. This is demo text. This is demo text. This is demo text. This is demo text. This is demo text. This is demo text. This is demo text. This is demo text.
<h3>Heading 3</h3>
This is demo text. This is demo text. This is demo text. This is demo text. This is demo text. This is demo text. This is demo text.</p>
</div>
<h1>content-box value</h1>
<div id = "value3">
<h2>Heading 2</h2>
<p>This is demo text. This is demo text. This is demo text. This is demo text. This is demo text. This is demo text. This is demo text. This is demo text. This is demo text.
<h3>Heading 3</h3>
This is demo text. This is demo text. This is demo text. This is demo text. This is demo text. This is demo text. This is demo text.</p>
</div>
</body>
</html>