.main-container-mask {
    width: 100%;
    height: 100%;
    position: fixed;
    background: #000;
    z-index: 1002;
    top: 0;
    left: 0;
    -webkit-box-pack: center;
        -ms-flex-pack: center;
            justify-content: center;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
}

.main-container-mask .mcm-loader .loadingDot {
    background: #000;
}

.main-container-mask .loader span {
    background: #000;
}