background: -moz-linear-gradient(); /* FF3.6-15 */
background: -webkit-gradient(); /* Chrome4-9,Safari4-5 */
background: -webkit-linear-gradient(); /* Chrome10-25,Safari5.1-6 */
background: -o-linear-gradient(); /* Opera 11.10-11.50 */
background: -ms-linear-gradient(); /* IE10 preview */
background: linear-gradient(); /* W3C, IE10+, FF16+, Chrome 26+, Opera 12+, Safari 7+ */
filter: progid:DXImageTransform.Microsoft.gradient(); /* IE6-9 */
