.wx_a{
    color: black;font-weight: 500;font-size: 18px;
}

.wx_b {
    color: black !important;font-weight: 200;
   
}


.page3{
    width: 50px;
    background-color: #00BCD4;
    color: white;
    text-align: center;
    margin-right: 10px;
    margin-top: 10px;
    padding: 15px 20px;
    font-size: 20px;
    opacity: 0.9;
}


.xw_page1 {
    width: 50px;
    background-color: #00BCD4;
    display: block;
    color: white;
    text-align: center;
    margin-right: 10px;
    margin-top: 10px;
    float: left;
}


.principal-hide-20170508 {
    width: 65%;
    height: 220px;
    position: absolute;
    left: 265px;
    top: 360px;
    border-radius: 3px;
    z-index: 1000;
}
.principal-hide-201705081 {
    width: 100%;
    height: 500px;
    position: absolute;
    left: 0px;
    top: 40px;
    border-radius: 3px;
    z-index: 1000;
}
.principal-hide-20170508 {
    background: #fff;
    box-shadow: 0 0 8px 1px #666;
}