部分浏览器版本支持渐变背景色

.box_gradient{background-color: #142849;background-image:-webkit-gradient(linear, left top, left bottom, from(#142849), to(#142849));/* Safari 4&＃43;, Chrome */background-image:-webkit-linear-gradient(top, #142849, #142849);/* Chrome 10&＃43;, Safari 5.1&＃43;, iOS 5&＃43; */background-image:-moz-linear-gradient(top, #142849, #142849);/* Firefox 3.6-15 */background-image:-o-linear-gradient(top, #142849, #142849);/* Opera 11.10-12.00 */background-image:linear-gradient(to bottom, #142849, #142849);/* Firefox 16&＃43;, IE10, Opera 12.50&＃43; */
}