hack your IE 6 IE 7 IE 8 IE 9 IE 10 IE 11 Firefox 3.6 Firefox 4.0 Firefox 5.0 Firefox 6.0 Firefox 7.0
选择器 Hack
.selector\ { backgrund: #f00; } text text text text text text text text text text text text
body* .selector { backgrund: #f00; } text text text text text text text text text text text text
*+html .selector { backgrund: #f00; } text text text text text text text text text text text text
:root .selector { backgrund: #f00 \; } [1] text text text text text text text text text text text text
:root .selector { backgrund: #f00 \0; } [1] text text text text text text text text text text text text
:-moz-any(.selector} { backgrund: #f00; } text text text text text text text text text text text text
@-moz-document url-prefix(){ .selector { backgrund: #f00; } } text text text text text text text text text text text text
属性 Hack
.selector { _backgrund: #f00; } text text text text text text text text text text text text
.selector { -backgrund: #f00; } text text text text text text text text text text text text
.selector { *backgrund: #f00; } text text text text text text text text text text text text
.selector { !backgrund: #f00; } text text text text text text text text text text text text
.selector { $backgrund: #f00; } text text text text text text text text text text text text
.selector { &backgrund: #f00; } text text text text text text text text text text text text
.selector { +backgrund: #f00; } text text text text text text text text text text text text
.selector { >backgrund: #f00; } [1] text text text text text text text text text text text text
.selector { backgrund: #f00\; } [1] text text text text text text text text text text text text
.selector { backgrund: #f00 \; } text text text text text text text text text text text text
.selector { backgrund: #f00\0; } text text text text text text text text text text text text
.selector { backgrund: #f00 \0; } text text text text text text text text text text text text
.selector { backgrund: #f00\8; } text text text text text text text text text text text text
.selector { backgrund: #f00\9; } text text text text text text text text text text text text
.selector { backgrund: #f00\9\0; } text text text text text text text text text text text text
.selector { backgrund/**/: #f00; } text text text text text text text text text text text text
.selector { backgrund: #f00 !ie; } text text text text text text text text text text text text

* 单元格为红色时，说明对应 hack 在对应浏览器中起作用。

* 这个表格主要说明的一个问题是：目前位置还没有哪个 hack 可以单独应用在 IE 8 浏览器中。

【1】 据说这些 hack 只是不支持 background 以及 font-* 。