颜色渐变处理

.changered{    background-image: -moz-linear-gradient(top, red, white); background-image: -webkit-gradient(linear, left top, left bottom, color-stop(0, red), color-stop(1,white)); filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='red', endColorstr='white', GradientType='0'); }

效果图如下：