From Tailwind's home page:
<div class="h-112 p-4 sm:p-8 relative overflow-hidden rounded-lg bg-gray-950/[2.5%] after:pointer-events-none after:absolute after:inset-0 after:rounded-lg after:inset-ring after:inset-ring-gray-950/5 dark:after:inset-ring-white/10 bg-[image:radial-gradient(var(--pattern-fg)_1px,_transparent_0)] bg-[size:10px_10px] bg-fixed [--pattern-fg:var(--color-gray-950)]/5 dark:[--pattern-fg:var(--color-white)]/10">[...]
"immediately" is a stretch