CSS inset-inline Property

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span {
  writing-mode: vertical-lr;
  inset-inline: 10px 50px;


Hello World!


The inset-inline CSS property defines the logical start and end offsets of an element in the inline direction, which maps to physical offsets depending on the element's writing mode, directionality, and text orientation.

It corresponds to the top and bottom, or right and left properties depending on the values defined for writing-mode, direction, and text-orientation.

The following CSS properties are shorthand of this property:

Default value:auto (auto auto)
Version:CSS 3
JavaScript syntax:

Standard Syntax

inset-inline: auto|length|%|initial|inherit|revert|revert-layer|unset;

Browser Support


Property Values

The following table describes the values of this property:

Value Description
auto This is default value. The browser calculates the inset inline position.
length Specifies the offset as a length value in px, pt, cm, em, etc. Negative length values are allowed.
%(percentage) Specifies the offset in percentage. The percentage is calculated with respect to the width of the element's containing block. Negative percentage values are 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 {
  inset-inline: auto;
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