body {
    min-height: 100%;
    margin: 0 auto;
    height: auto;
    color: #333;
    font: 14px/1.8 "微软雅黑";
}

table {
    border-collapse: collapse;
    border-spacing: 0;
}

a {
    color: #333
}

.ifrAo {
    height: 150px;
}

@media screen and (max-width:800px) {
    .ifrAo {
        height: 150px;
    }
}

@media screen and (max-width:650px) {
    .ifrAo {
        height: 150px;
    }
}

@media screen and (max-width:530px) {
    .ifrAo {
        height: 130px;
    }
}

@media screen and (max-width:480px) {
    .ifrAo {
        height: 120px;
    }
}

@media screen and (max-width:430px) {
    .ifrAo {
        height: 100px;
    }
}