CSS interest-delay-start Property Reference

The CSS interest-delay-start property is a standard property in CSS Basic User Interface. Review its formal syntax, computed behavior, and practical declarations.

Updated 2026-08-12

interest-delay-start overview

The CSS interest-delay-start property is a standard property in CSS Basic User Interface. Review its formal syntax, computed behavior, and practical declarations.

The computed value normally inherits from the parent element when no declaration wins the cascade.

Syntax and formal definition

interest-delay-start formal syntax

Field	Value
Formal syntax	normal \| <time>
Initial value	normal
Applies to	allElements
Inherited	Yes
Percentages	no
Computed value	normalOrComputedTime
Animation type	byComputedValueType
Media	visual
Specification group	CSS Basic User Interface
Status	Standard

Practical examples

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

interest-delay-start live example

CSS

.reset-example {
  interest-delay-start: initial;
}

.inherit-example {
  interest-delay-start: inherit;
}

@supports (interest-delay-start: initial) {
  .supported {
    interest-delay-start: initial;
  }
}