[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [Animation](./puppeteer.protocol.animation.md) > [KeyframeStyle](./puppeteer.protocol.animation.keyframestyle.md) ## Protocol.Animation.KeyframeStyle interface Keyframe Style Signature: ```typescript export interface KeyframeStyle ``` ## Properties | Property | Type | Description | | --- | --- | --- | | [easing](./puppeteer.protocol.animation.keyframestyle.easing.md) | string | AnimationEffect's timing function. | | [offset](./puppeteer.protocol.animation.keyframestyle.offset.md) | string | Keyframe's time offset. |