.wxtip {
    background: rgba(0,0,0,0.8);
    text-align: center;
    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    z-index: 10000;
    display: none;
}

.wxtip-icon {
    width: 52px;
    height: 67px;
    background: url(../img/weixin/weixin-tip.png)no-repeat;
    display: block;
    position: absolute;
    right: 20px;
    top: 20px;
}

.wxtip-txt {
    margin-top: 107px;
    color: #fff;
    font-size: 16px;
    line-height: 1.5;
}