.mask {
    position: absolute;
    top: 0px;
    right: 0px;
    left: 0px;
    bottom: 0px;
        
    opacity: 0.7;
    filter: alpha(opacity=70);
    background: #949494;

    z-index: 10000;
}
.mask-panel {
    margin: auto;
    position: absolute;
    z-index: 10001;
    padding: 10px 15px;
    font-size: 18px;
}
.mask-close {
    cursor: pointer;
    border-radius: 15px;
    background-color: #EFEFEF;
    color: #333;
    width: 30px;
    text-align: center;
    padding-bottom: 5px;
}
.mask-loading {
    margin-right: 20px;
    vertical-align: baseline;
}
.mask-panel .btn {
    background-color: #EFEFEF;
}