为什么一定要加important呢 直接把后面的删了不行吗 需要什么格式就去设置 何必要多后面的代码呢？

Question

为什么一定要加important呢  直接把后面的删了不行吗  需要什么格式就去设置 何必要多后面的代码呢？

Answer 1

Why do you have to add important? Can't you just delete the following one? Just set the format you need. Why do you need more code behind it? -PHP Chinese website Q&A-Why do you have to add important? Can't you just delete the following one? Just set the format you need. Why do you need more code behind it? -PHP Chinese website Q&A

Please watch and learn.

Answer 2

CSS讲究重复利用和格式统一，这是一种不怎么被推荐的特殊情况

合理情形之一：有时候我也会包含一些你无法修改的html，如来自第三方服务的新闻源，如果这些html中有些内连样式与你的设计不符合，，你就可以使用！important来覆盖这些样式。