.stack {
    display: grid;
    grid-template-columns: 1fr;
}

    .stack span {
        font-weight: bold;
        grid-row-start: 1;
        grid-column-start: 1;
        --stack-height: calc(100% / var(--stacks) - 1px);
        --inverse-index: calc(calc(var(--stacks) - 1) - var(--index));
        --clip-top: calc(var(--stack-height) * var(--index));
        --clip-bottom: calc(var(--stack-height) * var(--inverse-index));
        clip-path: inset(var(--clip-top) 0 var(--clip-bottom) 0);
        animation: stack 340ms cubic-bezier(.46,.29,0,1.24) 1 backwards calc(var(--index) * 120ms), glitch 2s ease infinite 2s alternate-reverse;
    }

        .stack span:nth-child(odd) {
            --glitch-translate: 8px;
        }

        .stack span:nth-child(even) {
            --glitch-translate: -8px;
        }

@keyframes stack {
    0% {
        opacity: 0;
        transform: translateX(-50%);
        text-shadow: -2px 3px 0 red, 2px -3px 0 blue;
    }

    ; 60% {
        opacity: 0.5;
        transform: translateX(50%);
    }

    80% {
        transform: none;
        opacity: 1;
        text-shadow: 2px -3px 0 red, -2px 3px 0 blue;
    }

    100% {
        text-shadow: none;
    }
}

@keyframes glitch {
    0% {
        text-shadow: -2px 3px 0 red, 2px -3px 0 blue;
        transform: translate(var(--glitch-translate));
    }

    2% {
        text-shadow: 2px -3px 0 red, -2px 3px 0 blue;
    }

    4%, 100% {
        text-shadow: none;
        transform: none;
    }
}