/* IE10+ */ background-image:
 -ms-linear-gradient(left, #00ff00 0%, #FF0000 100%);  
 /* Mozilla Firefox */ 
 background-image: -moz-linear-gradient(left, #00ff00 0%, #FF0000 100%);  
 /* Opera */
  background-image: -o-linear-gradient(left, #00ff00 0%, #FF0000 100%);  
 /* Webkit (Safari/Chrome 10) 
 */ background-image
 -webkit-gradient(linear, left top, right top, color-stop(0, #00ff00), color-stop(100, #FF0000));
 /* Webkit (Chrome 11+) */ background-image: -webkit-linear-gradient(left, #00ff00 0%, #FF0000 100%);
 /* W3C Markup */ background-image: linear-gradient(to right, #00ff00 0%, #FF0000 100%);