<div style=" background: -moz-linear-gradient(-40deg, black, green, purple, red, green, black, violet); background: -webkit-gradient(linear, left bottom, right top, from(red), color-stop(16%,orange), color-stop(32%,yellow), color-stop(48%,green), color-stop(64%,blue), color-stop(80%,indigo), to(violet));">
Sample
