#myModal {
    display: none;
    position: fixed;
    z-index: 1;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.9);
}

#myModal-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: white;
    font-size: 24px;
    animation: glow 1.5s ease-in-out infinite alternate;
}

@keyframes glow {
    0% {
        text-shadow: 0 0 10px rgba(255, 255, 255, 0.8);
    }

    100% {
        text-shadow: 0 0 20px rgba(255, 255, 255, 1),
            0 0 30px rgba(255, 255, 255, 0.8),
            0 0 40px rgba(255, 255, 255, 0.6),
            0 0 50px rgba(255, 255, 255, 0.4),
            0 0 60px rgba(255, 255, 255, 0.2);
    }
}