:root{
    /* button */
    --tool-cool-color-picker-btn-bg: #b9b9b9;
    --tool-cool-color-picker-btn-border-color: #000;
    --tool-cool-color-picker-btn-border-color-inner: #363636;
    --tool-cool-color-picker-btn-border-radius: 1rem;
    --tool-cool-color-picker-btn-border-radius-inner: 1rem;

    /* popup */
    --tool-cool-color-picker-popup-bg: #b9b9b9;
    --tool-cool-color-picker-popup-border-color: #000;

    /* fields */
    --tool-cool-color-picker-field-border-color: #363636;
    --tool-cool-color-picker-field-label-color: #1a3c6e;
}