Example Analysis of css priority calculation

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The main css selectors are id,class,tag, [],:,::, etc., and the one that usually needs to judge its priority is id,class,tag, and the inline style and! important are also related to the priority of css.

If the priority of these five different cases is expressed in the form of numbers, the corresponding relationship is as follows:

! important (10000) > inline style (1000) > id (1000) > class (10) > tag (1)

Then the usual css priority comparison can be translated into numeric size comparison, such as # list li and .list .content ul li, whose priority is:

100 / 10 / 101 > 10 / 10 / 10 / 10 / 22

The priority of the former is higher than the latter.

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