Css priority order Please write selector (selector elements, class selector, id selector), and when the various selected combinations, the priority calculation rule that?

　　id selector> selector class> element selectors

　　rule: weight value selector weight expressed as four parts, denoted by 0,0,0,0.
　　　　　* Wildcard weight of 0,0,0,0
　　　　　tag selector, pseudo-element selector weight is 0,0,0,1
　　　　　class selector, attribute selectors, right pseudo-class selector weight 0,0,1 , 0
　　　　　ID selector 0,1,0,0 weight is
　　　　　the weight of exercise style 1,0,0,0
　　　　　! weight to weight imporatant ∞

　　　　　Significant weight selector cover weights small selectors
　　　　　same weights selector, behind the front cover
　　　　　stacked selector according to their weights result of the addition, large small covered
　　　　　! Right imporatant the heaviest, did not have robbed