/* ie8渐变css兼容 */
    .demo {   
    	width:100%;   
    	height:200px;   
    	background: -webkit-gradient(linear, 0 0, 0 100%, from(#80c1e7), to(#213c7c));   
    	background: -webkit-linear-gradient(left, #80c1e7, #213c7c);   
    	background: -moz-linear-gradient(left, #80c1e7, #213c7c);   
    	background: -o-linear-gradient(left, #80c1e7, #213c7c);   
    	background: -ms-linear-gradient(left, #80c1e7, #213c7c);   
    	background: linear-gradient(left, #80c1e7, #213c7c);   
    	filter: progid:DXImageTransform.Microsoft.gradient(GradientType = 1, startColorstr = #80c1e7, endColorstr = #213c7c);   
    }