base_control.go
func (c *BaseControl) ActiveColors() (term.Attribute, term.Attribute) {
	return c.fgActive, c.bgActive
}
func (c *BaseControl) ActiveColors() (term.Attribute, term.Attribute) {
	return c.fgActive, c.bgActive
}
// ActiveColors return the attrubutes for the controls when it
// is active: text and background colors