body {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background-color: #f0f0f0;
    overflow: hidden;
}

#shadowBox {
    background-color: rgb(0, 0, 0);
    /* Fallback color */
    background-color: rgba(0, 0, 0, 0.2);
    /* Black w/opacity/see-through */
    border: 3px solid;
}

.rainbow {
    text-align: center;
    text-decoration: underline;
    font-size: 32px;
    font-family: monospace;
    letter-spacing: 5px;
}
.rainbow_text_animated {
    background: linear-gradient(to right, #6666ff, #0099ff , #00ff00, #ff3399, #6666ff);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    animation: rainbow_animation 6s ease-in-out infinite;
    background-size: 400% 100%;
}

@keyframes rainbow_animation {
    0%,100% {
        background-position: 0 0;
    }

    50% {
        background-position: 100% 0;
    }
}



.dvd-logo {
    position: absolute;
    width: 400px; /* ปรับจาก 100px เป็น 150px */
    height: 125px; /* ปรับจาก 50px เป็น 75px */
    background-size: contain;
    background-repeat: no-repeat;
}

.dvd1 {
    background-image: url('https://i.pinimg.com/736x/97/00/b5/9700b5f06aaeb9da9222c9b38f7acb8a.jpg');
}

.dvd2 {
    background-image: url('https://static.wikia.nocookie.net/4cec443f-57de-4faf-9af6-ca5f8525ca92/scale-to-width/755');
}