https://specifishity.com/来自：https://developer.mozilla.org/en-US/docs/Web/CSS/Specificity```Selector TypesThe following list of selector types increases by specificity:Type selectors (e.g., h1) and pseudo-elements (e.g., ::before).Class selectors (e.g., .example), attributes selectors (e.g., [type="radio"]) and pseudo-classes (e.g., :hover).ID selectors (e.g., #example).Universal selector (*), combinators (+, >, ~, ' ', ||) and negation pseudo-class (:not()) have no effect on specificity. (The selectors declared inside :not() do, however.)For more information, visit: https://specifishity.comInline styles added to an element (e.g., style="font-weight: bold;") always overwrite any styles in external stylesheets, and thus can be thought of as having the highest specificity.```