CSS background-clip属性用于声明背景的绘制区域。您可以尝试运行以下代码以使用CSS实现background-clip属性-
<html>
<head>
<style>
#demo {
border: 5px dashed red;
padding: 10px;
background: orange;
background-clip: padding-box;
}
</style>
</head>
<body>
<div id="demo">
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</div>
</body>
</html>