像这样的东西:渐变示例
background: #034769;
background: -moz-linear-gradient(top, #034769 0%, #63add0 10%, #ffffff 27%);
background: -webkit-gradient(linear, left top, left bottom, color-stop(0%,#034769), color-stop(10%,#63add0), color-stop(27%,#ffffff));
background: -webkit-linear-gradient(top, #034769 0%,#63add0 10%,#ffffff 27%);
background: -o-linear-gradient(top, #034769 0%,#63add0 10%,#ffffff 27%);
background: -ms-linear-gradient(top, #034769 0%,#63add0 10%,#ffffff 27%);
background: linear-gradient(to bottom, #034769 0%,#63add0 10%,#ffffff 27%);
filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#034769', endColorstr='#ffffff',GradientType=0 );