.transparentOverlay:before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    backdrop-filter: blur(4px) contrast(60%);
    background: rgba(31, 78, 121, 0.2);  /*rgba(0, 0, 0, 0.4)*/
    z-index: 0; /* Overlay semitransparente */
}

.fadeIn {
    opacity: 0;
    animation: fadeIn 3s forwards;
}
@keyframes fadeIn {
to {
    opacity: 1;
}
}

/**/

@keyframes slideIn {
    from {
        transform: translateX(-100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes glow {
    0% {
        filter: drop-shadow(0 0 5px white); /*#33ccff*/
    }
    50% {
        filter: drop-shadow(0 0 20px #33ccff);
    }
    100% {
        filter: drop-shadow(0 0 5px white);
    }
}

.glow {
    animation: slideIn 4s ease-out, glow 4s infinite;
    display: inline-block;
}