CSS hack record

 

Comments: CSS hack record, which can be viewed by front-end developers.

-- IE6 -- IE7----IE8--FF2----FF3 --- opera9.5
> Property -- y ---- n
. Property -- y ---- n
* Property -- y ---- n
_ Property -- y ---- n

Color: Brown! Important;/* used in modern browsers such as opera, firefox2, and firefox3 */

> Color: Green! Important;/* IE7 and IE8 can recognize this rule, so it overwrites the previous rule */
Color: red;/* all browsers can recognize them, but the above two rules are available! Important, so this rule is ignored. Only IE6 recognizes and overwrites two rules */

Difference between IE6 and FF:
Background: orange; * Background: blue;

Difference between IE6 and IE7:
Background: Green! Important; Background: blue;
Difference between IE7 and FF:
Background: orange; * Background: green;
Difference ff, IE7, IE6:
Background: orange; * Background: Green! Important; * Background: blue;

Browser priority: FF <IE7 <IE6, CSS hack write order is generally FF IE7 IE6