.nf-mask-bar__progress {
    background-color: rgb(40,40,40);
}

.nf-progress-bar__image {
    background-image: resource("nf-progress-bar");
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: Absolute;
    width: 100%;
    height: 100%;
    border-radius: 2px;
    opacity: 1;
    transition: opacity 0.6s ease-in;
}

.nf-progress-bar__pulse {
    opacity: 0.6;
    transition: opacity 1.2s ease-in;
}