body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-image: url('images/image.png');
    background-size: cover;
    background-position: center;
    position: relative;
    color: white;
}

body::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5); /* Black overlay with 50% opacity */
    z-index: -1;
}

header {
    background-color: #333;
    color: white;
    padding: 1rem 0;
}

h1 {
    margin: 0;
}

main {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 2rem;
}

@media (max-width: 768px) {
    main {
        padding: 1rem;
    }

    .sound-section {
        width: 95%;
        padding: 0.5rem;
    }

    .sound-button {
        width: 100%;
        margin: 0.5rem 0;
    }
}

.sound-section {
    width: 80%;
    max-width: 800px;
    margin: 2rem 0;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    padding: 1rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.sound-button {
    display: inline-block;
    width: 45%;
    margin: 0.5rem 2.5%;
    text-align: center;
    background-color: #007BFF;
    color: white;
    border: none;
    padding: 1rem 2rem;
    margin: 0.5rem;
    cursor: pointer;
    border-radius: 5px;
    font-size: 1rem;
}

.sound-button:hover {
    background-color: #0056b3;
}