<div style="background: -moz-linear-gradient(white, black) no-repeat; width: 300px; height: 100px;"></div>
<div style="background: -moz-linear-gradient(white, black) no-repeat; width: 300px; height: 100px;"></div>
<div style="background: -moz-linear-gradient(white, black) no-repeat; width: 300px; height: 100px;"></div>