亚洲国产日韩欧美一区二区三区,精品亚洲国产成人av在线,国产99视频精品免视看7,99国产精品久久久久久久成人热,欧美日韩亚洲国产综合乱

CSS ?? ??

Html? ??? ????? CSS?? ?? ?? ????. ?, /*comment ?*/?? ?????(Html??? <!--comment ?--> ??).

CSS? ??? ? ? ?? ??? ? ??? ????.
1. ???(?? ???)
IE?? CSS ??? ???? ?? ???? ??? ? ????.
css ??: 

html>body p { 
/* declarations */ 
}

2. "?????"(*)
? ?? ????? IE ??????? ??? ? ????(?? ??????? ???)
css ??: 

* html p { 
/* declarations */ 
}

3. "????"()
IE/Win? ????? ???? IE/Mac? ???? "????" ??? ??? ? ????.
css ??: 

/* \*/ 
* html p { 
declarations 
} 
/* */


???? ??
||
<!DOCTYPE HTML> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <title>CSS注釋代碼</title> <style type="text/css"> p{ font-size:12px; /*設(shè)置文字字號為12px*/ color:red; /*設(shè)置文字顏色為紅色*/ } </style> </head> <body> <p>PHP中文網(wǎng)</p> </body> </html>