background: -moz-linear-gradient(); /* FF3.6+ */
background: -webkit-gradient(); /* Chrome,Safari4+ */
background: -webkit-linear-gradient(); /* Chrome10+,Safari5.1+ */
background: -o-linear-gradient(); /* Opera 11.10+ */
background: -ms-linear-gradient(); /* IE10+ */
background: linear-gradient(); /* W3C */
filter: progid:DXImageTransform.Microsoft.gradient(); /* IE6-9 */