ie6,ie7,firefox兼容CSS

ie6,ie7,firefox兼容CSS

#example { background: #ff0000;width:100px;height:100px } /* Moz/FF/IE8 beta2 */
*html #example { background: #00ff00; } /* IE6 */
*+html #example { background: #0000ff; } /* IE7 */

<!--[if gte IE 8]>
<link type="text/css" rel="stylesheet" media="all" href="/sites/default/themes/whitehouse/css/ie8.css" />
<![endif]-->
<!--[if lt IE 8]>
<link type="text/css" rel="stylesheet" media="all" href="/sites/default/themes/whitehouse/css/ie.css" />
<![endif]-->
<!--[if IE 6]>
<link type="text/css" rel="stylesheet" media="all" href="/sites/default/themes/whitehouse/css/ie6.css" />
<![endif]-->

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