背景色横向渐变css5

.cloud_top_bg{
    width:100%;
    background: -webkit-gradient(linear, 0 100%, 100% 100%, from(#2e98ff), to(#9276f7)); /** Chrome Safari **/
    background: -moz-linear-gradient(left, #2e98ff, #9276f7); /** FireFox **/
    background: -o-linear-gradient(left, #2e98ff, #9276f7);  /** Opear **/
    background: -ms-linear-gradient(#2e98ff 0%,#9276f7 100%);  /** IE9 IE10 **/
    filter:progid:DXImageTransform.Microsoft.gradient(GradientType=1,startColorstr='#2e98ff',endColorstr='#9276f7'); /** IE7 **/
    -ms-filter:progid:DXImageTransform.Microsoft.gradient(startColorstr='#2e98ff',endColorstr='#9276f7',gradientType=1); /** IE8 **/
}