You should add the -moz prefixed background gradient for the header. background-image: -moz-linear-gradient(center top , #FAFAFA, #F6F6EF); Works just like th

You should add the -moz prefixed background gradient for the header. background-image: -moz-linear-gradient(center top , #FAFAFA, #F6F6EF); Works just like the Webkit one.