I haven't used CSS hack for a long time. Let's review it.

Not used for a long timeCSS hackNow, in the new environment, some of them are not self-written. The above is just a life-saving attempt. There is no way to use CSS hack.

NormalCSS hackUse less

Look at people for speedCodeReally tangled

Get oneCSS hackUse it

IE6 Recognize underlines "_" Hexing "*" , IE7 Recognize asterisks "*" But cannot recognize underlines "_" , And Firefox Neither of them knows. The order of writing. Generally, it indicates that CSS Post

Browser priority: FF <IE7 <IE6, CSS hackThe writing order is generallyFF IE7 IE6

Margin-Top: 10px; * margin-Top: 20px ;_Margin-top: 30px;

Interpreted

In Firefox, margin-top is 10px.

In IE7, the margin-top value is 20px.

In IE6, the margin-top value is 30px.

Of course, it is not recommended to upgrade the browser after CSS hack.