.content {
    padding: 20px;
}

.music-player-bubble {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: #f9f9f9;
    padding: 10px;
    border-radius: 50px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    z-index: 1000;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    transition: width 0.3s, height 0.3s, padding 0.3s;
}

    .music-player-bubble:hover {
        width: 280px;
        height: auto;
        padding: 10px 15px;
    }

audio {
    width: 250px;
    outline: none;
    opacity: 0;
    transition: opacity 0.3s;
}

.music-player-bubble:hover audio {
    opacity: 1;
}

.bubble-icon {
    font-size: 24px;
    color: #555;
}