CSS3 border-image-outset Property
Place the border 5 pixels outside the edges of the <div> element:
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The border-image-outset property is not supported in Opera.
The border-image-outset property is not supported in Internet Explorer 10 and earlier.
The border-image-outset property is not supported in Safari 5 and earlier.
Look at the border-image property instead!
Definition and Usage
The border-image-outset property specifies the amount by which the border image area extends beyond the border box.
Note: The border-image-outset property specifies the amount by which the border image area extends beyond the border box. on the top, right, bottom, and left sides. If the fourth value is omitted, it is the same as the second. If the third one is also omitted, it is the same as the first. If the second one is also omitted, it is the same as the first. Negative values are not allowed for any of the border-image-outset values.
|length||A length unit specifying how far from the edges the border-image will appear. Default value is 0||Play it »|
|number||Represent multiples of the corresponding border-width||Play it »|
|initial||Sets this property to its default value. Read about initial||Play it »|
|inherit||Inherits this property from its parent element. Read about inherit|
CSS3 tutorial: CSS3 Borders
CSS Reference: border-image property
CSS Reference: border-image-repeat property
CSS Reference: border-image-slice property
CSS Reference: border-image-source property
CSS Reference: border-image-width property
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