Function keyframes

packages/css/src/create-instance.js:84–93

(...args)

  }

  let keyframes = (...args) => {
    let serialized = serializeStyles(args, cache.registered)
    let animation = `animation-${serialized.name}`
    insertWithoutScoping(cache, {
      name: serialized.name,
      styles: `@keyframes ${animation}{${serialized.styles}}`
    })

    return animation
  }
  let injectGlobal = (...args) => {
    let serialized = serializeStyles(args, cache.registered)
    insertWithoutScoping(cache, serialized)