CSS border-image-outset Property

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#myDiv {
  border-image-repeat: stretch;
  border-image-outset: 10px;

Hello World!


The border-image-outset CSS property sets the distance by which an element's border image is set out from its border box.

Note: The parts of the border image that are rendered outside the element's border box with border-image-outset do not trigger overflow scrollbars and don't capture mouse events.

Default value:0
JavaScript syntax:

Standard Syntax

border-image-outset: length|number|initial|inherit|revert|revert-layer|unset;

Browser Support

The numbers in the table specify the first browser version that fully supports the property.


Property Values

The following table describes the values of this property.

Value Description
length Specifies the distance in absolute or relative units that the border image extends beyond the border box. Negative values are not allowed.
number Represents a multiple of the computed value of border-width, or the width of the border box. Negative values are not allowed.
initial Sets this property to its default value.
inherit If specified, the associated element takes the computed value of its parent element animation-delay property.
revert Reverts the cascaded value of the property from its current value to the value the property
revert-layer Rollback styles to the ones specified in previous cascade layers.
unset Resets a property to its inherited value if the property naturally inherits from its parent, and to its initial value if not.

Default CSS Property Values

selectors {
  border-image-outset: 0;
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