linear-stops-1-ref.html
<div style="background: -moz-linear-gradient(white 0%, red 20%, green 40%, blue 60%, yellow 80%, black 100%) no-repeat; width: 300px; height: 300px;"></div>
<div style="background: -moz-linear-gradient(white 0%, red 20%, green 40%, blue 60%, yellow 80%, black 100%) no-repeat; width: 300px; height: 300px;"></div>