What are the three features of CSS

This article is about what the three features of CSS are. The editor thinks it is very practical, so share it with you as a reference and follow the editor to have a look.

Cascading (cascade), inheritance (Inheritance), specificity (Specificity). The specificity is about the priority of each selector. The following figure is about the weight and priority of the selector:

What needs to be emphasized about the weight is that the weight value of the upper level is greater than that of the next level. For example: the weight value of ID selector is 100, and the weight value of class selector is 10, then when acting on the same element at the same time, the weight of 11 class selectors is 110, which is supposed to be greater than 100 of ID selector, but the actual effect is the style effect of ID selector. Therefore, the priority of the upper level must be higher than that of the next level.

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