.tooltipster-light {
    border-radius: 5px;
    border: 1px solid #cccccc;
    background: #ededed;
    color: #666666;
}

    .tooltipster-light .tooltipster-content {
        font-family: Arial, sans-serif;
        font-size: 14px;
        line-height: 16px;
        padding: 8px 10px;
    }