边框相对于内容的属性怎么写？_html/css

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边框相对于内容的属性怎么写？_html/css_WEB-ITnose

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Jun 24, 2016 am 11:31 AM

<div style="width:30px;height:30px;padding:30px;border:1px solid #ddd;">123</div>

如上所示，正常边框（border）会在内边框（padding）之外，我想要的是在内边框之内，就是30px宽高位置显示边框。好像有个属性可以设置的。

回复讨论(解决方案)

padding改成margin

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