The BorderHeight and BorderWidth properties determines the area where the skin is displayed. By default, the BorderHeight property is 0If the BorderWidth and BorderHeight properties are 0(zero), the skin uses the entire control's client area. In this case we can say that the control has no margins. Use the VFit, HFit, IncClientSide properties to adjust the control's client area and to organize the image and the caption positions in the control's client area. The BackColor and Picture properties have effect on the control's margins and on the transparent areas of the skin.