网页背景颜色渐变代码CSS
startColorStr='#000000', endColorStr='#ffffff', gradientType='0')">?左右渐变：<body leftmargin="0" topmargin="0" style="filter:progid:DXImageTransform.Microsoft.Gradient(
startColorStr='#000000', endColorStr='#ffffff', gradientType='1')">
