@keyframes spinner-line-fade-more {
    0%,
    100% {
        opacity: 0;
        /* minimum opacity */
    }
    1% {
        opacity: 1;
    }
}

@keyframes spinner-line-fade-quick {
    0%,
    39%,
    100% {
        opacity: 0.25;
        /* minimum opacity */
    }
    40% {
        opacity: 1;
    }
}

@keyframes spinner-line-fade-default {
    0%,
    100% {
        opacity: 0.22;
        /* minimum opacity */
    }
    1% {
        opacity: 1;
    }
}

@keyframes spinner-line-shrink {
    0%,
    25%,
    100% {
        /* minimum scale and opacity */
        transform: scale(0.5);
        opacity: 0.25;
    }
    26% {
        transform: scale(1);
        opacity: 1;
    }
}

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