CSShack skills for cssie6ie7ff _ experience exchange

Many articles about CSSHACK are mentioned in jb51.net. CSSer must master the simplest hack skills about IE6, IE7, and FF. FF Browser
. Test {
Height: 20px;
Background-color: orange;
}
Internet Explorer 7
* + Html. test {/* IE7 */
Height: 20px;
Background-color: blue;
}

Internet Explorer 6

* Html. test {/* IE6 */
Height: 20px;
Background-color: black;
}

The above CSS Code shows that FF is the most obedient browser. In IE6 and IE7, if you want to use HACK, you must add the class tag html to the front.
This is a good memory. IE6 adds * html, while IE7 adds * + html, which implies adding a version.
The advantage of css hack for class and id is that it does not take into account the order before and after, and is easy for management and acceptance by other people. It can also be used to control versions similar to JS browsers.