1.More Specific=Greater Precedence =>nested selectors
2. the selectors are the same then the last one will always take precedence
3.Calculating Specificity
ID Selector =100
class Selector=10
HTML Selector=1
【CSS】Intermediate5:Specificity,布布扣,bubuko.com
【CSS】Intermediate5:Specificity
原文：http://www.cnblogs.com/yzhen/p/3659951.html