background: #6cab26;
background-image: url("IMAGE_URL");
/* fallback */background-image: url("IMAGE_URL), -webkit-gradient(linear, left top, left bottom, from(#444444), to(#999999)");
/* Saf4+, Chrome */background-image: url("IMAGE_URL), -webkit-linear-gradient(top, #444444, #999999");
/* Chrome 10+, Saf5.1+ */background-image: url("IMAGE_URL), -moz-linear-gradient(top, #444444, #999999");
/* FF3.6+ */background-image: url("IMAGE_URL), -ms-linear-gradient(top, #444444, #999999");
/* IE10 */background-image: url("IMAGE_URL), -o-linear-gradient(top, #444444, #999999");
/* Opera 11.10+ */background-image: url("IMAGE_URL), linear-gradient(top, #444444, #999999");
/* W3C */