.track-player {
    width: 100%;
    margin: 30px auto;
    padding: 20px;
    background: rgba(255,255,255,0.8);
    border-radius: 10px;
}
.rating-form {
    border: 1px solid #ddd;
    padding: 15px;
    border-radius: 8px;
    background: #f9f9f9;
}
.track audio {
  width: 100%;
  outline: none;
  border-radius: 8px;
}
.stars span {
    font-size: 22px;
    cursor: pointer;
    color: #ccc;
}

.stars span.selected {
    color: gold;
}

button#submit-rating {
    background: #0073aa;
    color: #fff;
    border: none;
    padding: 10px 18px;
    border-radius: 5px;
    cursor: pointer;
}

textarea#comments {
    width: 100%;
    height: 100px;
}

button#submit-rating:hover {
    background: #005f8d;
}