.reviewengine-qtip.qtip  {
    border: 0px;
    background-color: rgba(51, 51, 51, 0.85);
    color: #fff;
    border-radius: 3px;
    font-size: 12px;
    line-height: 15px;
}

.reviewengine-qtip.qtip .qtip-content {
    padding: 10px 10px;
}