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Home Help: "border-width" CSS property

The "border-width" CSS Property


This shorthand property sets the thickness of all four sides of the element's border. Lengths may not be negative.

Values for "border-width"
CSS LevelValue
CSS Backgrounds and Borders Level 3"<line-width>{1,4}", where <line-width> = "<length [0,∞]> | thin | medium | thick"

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