* {
    font-family: "Microsoft YaHei", "微软雅黑", STXihei, "华文细黑",
    "Helvetica Neue", Helvetica, Arial, sans-serif, serif;
}

html {
    height: 100%
}

body {
    margin: 0px;
    height: 100%;
    /*width: 100%;*/
    position: relative;
    background: url("../../imgs/xiaoyi-banner.png") no-repeat;
    -webkit-background-size: cover;
    -moz-background-size: cover;
    background-size: cover;
    -o-background-size: cover;
}