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