.mask_body {
    position: fixed;
    z-index: 999;
    height: 100%;
    width: 100%;
    left: 0;
    top: 0;
}

.mask_layer {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(98,98,98,0.85);
}

.mask_dialog {
    position: absolute;
    top: 50%;
    left: 50%;
    padding: 1rem;
    border-radius: 1rem;
    transform: translate(-50%, -50%);
    background-color: #FFFFFF;
    z-index: 100;
}