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        | CSS uses a ___ to control how elements are displayed. |  | Definition 
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        | ____ consist of the content area and optional padding, border, and margin. |  | Definition 
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        | The ____ contains the content of the element |  | Definition 
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        | The padding is used to create visual ___ around the content area |  | Definition 
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        | The _ surrounds the border, padding, and content, and allows space to be added between the element and other elements. |  | Definition 
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        | Padding, border, and margin are all _ |  | Definition 
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        | An element's _ will show under the content and the padding, but not under the margin. |  | Definition 
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        | Padding and margin size can be set in pixels or percentages. |  | Definition 
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