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Type your margin and padding properties using standard CSS syntax. Type a single value such as 5% to apply a 5% margin or padding uniformly on all four sides of the control.
You can also can type specify different margin or padding on the various sides of the control: for example, a 5px 10px 15px 20px margin property will give your control a five-pixel top margin, a ten-pixel right margin, a 15-pixel bottom margin and a 20-pixel left margin.
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