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我是 CSS 新手，我尝试使用 CSS 继承。当我box-sizing:border-box向 body 添加属性时，它不会被它的子元素继承（在我的例子中是一个<section>元素）。它就像其他不可继承的属性（如边距和边框）一样吗？
box-sizing:border-box
<section>
不，box-sizing: border-box不被子元素继承。
box-sizing: border-box
您可以在此处查看规范https://drafts.csswg.org/css-ui-3/#box-sizing