body {
    font-family: Arial, sans-serif;
    background: #121212;
    color: white;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.player {
    background: #1e1e1e;
    padding: 20px;
    border-radius: 10px;
    width: 300px;
    text-align: center;
}

.controls button {
    font-size: 20px;
    margin: 10px;
    padding: 10px;
    cursor: pointer;
}

input[type="range"] {
    width: 100%;
}