body {
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100vh;
    background-image: url('image.png');
    background-repeat: repeat-y;
    background-size: 100% auto;
    color: white;
    text-align: center;
    overflow: hidden;
}

#startButton {
    padding: 20px 40px;
    font-size: 24px;
    color: white;
    background-color: #444;
    border: none;
    cursor: pointer;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.5);
    transition: background-color 0.3s, transform 0.2s;
}

#startButton:hover {
    background-color: #555;
    transform: scale(1.05);
}

#lyricsContainer {
    display: none;
    width: 100%;
    max-height: 100vh;
    overflow-y: auto;
    padding: 20px;
    box-sizing: border-box;
    background-color: rgba(0, 0, 0, 0.7);
    border-radius: 10px;
    scrollbar-width: thin;
    scrollbar-color: #888 #555;
}

#lyricsContainer::-webkit-scrollbar {
    width: 8px;
}

#lyricsContainer::-webkit-scrollbar-track {
    background: #555;
    border-radius: 10px;
}

#lyricsContainer::-webkit-scrollbar-thumb {
    background-color: #888;
    border-radius: 10px;
    border: 2px solid #555;
}

.lyric-line {
    margin: 5px 0;
    padding: 3px;
}