How CSS changes inline styles (via external cascading style sheets) CSS!important usage CSS style use precedence judgment

CSS style Precedence

inline > Internal > External

CSS definitions that use!important have the highest priority. Just in the IE6 out a little bit of bug, note that the writing method is generally easy to avoid.

CSS in the!important is generally used for the lower version of the addition of IE 6, used to do hack, the following!important CSS statements, so that the browser preferred to execute this statement, because the CSS has inherited styles, plus!IMPORTANRT can override the parent style. IE6 does not know it, IE7 and other browsers can be used to handle browser compatibility

. padding-l-r P span{
FONT-SIZE:16PX!important;
}

How CSS changes inline styles (via external cascading style sheets) CSS!important usage CSS style use precedence judgment