CSS3 Gradient - the CSS Code looks like this :
/* For WebKit (Safari, Google Chrome etc) */
background-image: -webkit-gradient(linear, left top, right top,
color-stop( 25%, rgba(89,117,51,1)),
color-stop( 75%, rgba(97,181,148,1)));
/* For Mozilla/Gecko (Firefox etc) */
background-image: -moz-linear-gradient(top,
rgba(89,117,51,1) 25%,
rgba(97,181,148,1) 75%); * Mozilla option will not be displayed in the Widget Browser
rgba(89,117,51,1) 25%,
rgba(97,181,148,1) 75%); * Mozilla option will not be displayed in the Widget Browser