*:lang (ZH) select {font:12px!important;} Special for/*FF */
select:empty {font:12px!important;}/*safari Visible */
Here select is the selector and is replaced as appropriate. The second sentence is unique to the Safari browser on your Mac.
IE7 Identification only
*+html {...}
This hack can be used when faced with the need to make a style for IE7 only.
IE6 and IE6 following identification
* HTML {...}
This place should pay special attention to a lot of landlords have written IE6 hack actually ie5.x can also recognize this hack. Other browsers are not recognized.
html/**/>body Select {...}
This sentence has the same effect as the previous sentence.
Only IE6 not recognized
Select {Display/*IE6 does not recognize */:none;}
The main point here is to separate a property and value from the CSS annotation, which flows in front of the colon.
Only IE6 and IE5 are not recognized
select/**/{display/*IE6,IE5 does not recognize */:none;}
The difference between this and the above sentence is that there is a CSS comment between the selector and the curly brace.
Only IE5 not recognized
SELECT/*IE5 does not recognize */{display:none;}
This sentence removes the comment from the attribute area in the previous sentence. Only IE5 does not recognize
Box Model Solving method
SELCT {width:ie5.x width; voice-family: "\"}\ ""; Voice-family:inherit; Width: correct widths;}
The cleaning method of the box model is not handled by!important. This should be clear.
Clear floating
Select:after {content: "."; display:block; height:0; clear:both; visibility:hidden;}
In Firefox, when the child is floating, then the height of the parent can not completely wrap the entire child, then use this to clear the floating hack to do a definition of the parent, then you can solve the problem.
