upstream-shadcn-ui/apps/v4/examples/aria/shimmer-duration.tsx

export function ShimmerDuration() {
  return (
    <div className="mx-auto grid w-full max-w-lg gap-6 text-center text-sm text-muted-foreground sm:grid-cols-2">
      <div className="flex flex-col gap-3">
        <p className="shimmer">Generating response&hellip;</p>
        <p className="font-mono text-xs">shimmer</p>
      </div>
      <div className="flex flex-col gap-3">
        <p className="shimmer shimmer-duration-1000">
          Generating response&hellip;
        </p>
        <p className="font-mono text-xs">shimmer-duration-1000</p>
      </div>
    </div>
  )
}