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CSS的盒模型包括哪些部分,box-sizing属性对布局有什么影响?
CSS盒模型是网页布局的核心概念,它将每个HTML元素视为一个矩形盒子,通过分层结构控制元素在页面中的空间分配。理解盒模型的组成及其属性对布局的影响,是构建响应式网页的基础。 一、盒模型的四层结构 CSS盒模型由内向外依次包含四个关键部分: 内容区 ...
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