css样式内属性得默认值和默认单位？

Answer 1

What are the default values ​​and default units for attributes in css styles? -PHP Chinese website Q&A-What are the default values ​​and default units for attributes in css styles? -PHP Chinese website Q&A

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Answer 2

不同是浏览器内置的CSS文件不一样，没有统一的默认值。