CSS box-decoration-break Property

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span.ex1 {
  -webkit-box-decoration-break: slice;
  -o-box-decoration-break: slice;
  box-decoration-break: slice;

span.ex2 {
  -webkit-box-decoration-break: clone;
  -o-box-decoration-break: clone;
  box-decoration-break: clone;


The box-decoration-break property specifies how an element's fragments should be rendered when broken across multiple lines, columns, or pages.

The specified value will impact the appearance of the following properties:

Default value:slice
JavaScript syntax:
object.style.boxDecorationBreak: slice|clone|initial|inherit|revert|revert-layer|unset;

Standard Syntax

box-decoration-break: slice|clone|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
slice Default. Box decorations are applied to the element as a whole and break at the edges of the element fragments.
clone Each box fragment is rendered independently with the specified border, padding, and margin wrapping each fragment.
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 {
  box-decoration-break: slice;
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