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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def _front_delta(self):
 """Return the offset of the colored part."""

        if self.flags & self.NO_MOVE:
            return Separator(0, 0)

        if self.clicked and self.hovered:  # the mouse is over the button
            delta = 2

        elif self.hovered and not self.flags & self.NO_HOVER:
            delta = 0

        else:
            delta = 0

        return Separator(delta, delta)