CSS shape-image-threshold Property Reference

The CSS shape-image-threshold property is a standard property in CSS Shapes. Review its formal syntax, computed behavior, and practical declarations.

Updated 2026-08-12

shape-image-threshold overview

The CSS shape-image-threshold property is a standard property in CSS Shapes. 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

shape-image-threshold formal syntax

Field	Value
Formal syntax	<opacity-value>
Initial value	0.0
Applies to	floats
Inherited	No
Percentages	no
Computed value	specifiedValueNumberClipped0To1
Animation type	number
Media	visual
Specification group	CSS Shapes
Status	Standard

Practical examples

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

shape-image-threshold live example

CSS

.reset-example {
  shape-image-threshold: initial;
}

.inherit-example {
  shape-image-threshold: inherit;
}

@supports (shape-image-threshold: initial) {
  .supported {
    shape-image-threshold: initial;
  }
}