CSS object-view-box Property Reference

The CSS object-view-box property is a experimental property in CSS Images. Review its formal syntax, computed behavior, and practical declarations.

Updated 2026-08-12

object-view-box overview

The CSS object-view-box property is a experimental property in CSS Images. Review its formal syntax, computed behavior, and practical declarations.

The property is not inherited by default. Use an explicit global keyword when inheritance is intended.

Syntax and formal definition

object-view-box formal syntax

Field	Value
Formal syntax	none \| <basic-shape-rect>
Initial value	none
Applies to	replacedElements
Inherited	No
Percentages	no
Computed value	specifiedKeywordOrComputedFunction
Animation type	asIfPossibleOtherwiseDiscrete
Media	visual
Specification group	CSS Images
Status	Experimental

Practical examples

These declarations demonstrate valid ways to set object-view-box. The initial and inherit global keywords remain available even when a property-specific value is preferable.

object-view-box live example

CSS

.reset-example {
  object-view-box: initial;
}

.inherit-example {
  object-view-box: inherit;
}

@supports (object-view-box: initial) {
  .supported {
    object-view-box: initial;
  }
}