CSS Hack

background: gray;        /* standard */

background: pink\9;      /* IE-7 & IE-8 */

*background: green;     /* IE 7 and below */

_background: blue;       /* IE 6 */

*+background: blue       /* of Use only IE7*/

/* Use only Mozilla*/

@-moz-document url-prefix() {

            .mozLabel {width: 2.5% }

        }