Centered Card

export default function Example() {
  return (
    <div className="bg-white py-16 sm:py-24 dark:bg-gray-900">
      <div className="mx-auto max-w-7xl sm:px-6 lg:px-8">
        <div className="relative isolate overflow-hidden bg-gray-900 px-6 py-24 shadow-2xl sm:rounded-3xl sm:px-24 xl:py-32 dark:bg-gray-800 dark:shadow-none dark:after:pointer-events-none dark:after:absolute dark:after:inset-0 dark:after:inset-ring dark:after:inset-ring-white/15 dark:after:sm:rounded-3xl">
          <h2 className="mx-auto max-w-3xl text-center text-4xl font-semibold tracking-tight text-white sm:text-5xl">
            Get notified when we’re launching
          </h2>
          <p className="mx-auto mt-6 max-w-lg text-center text-lg text-gray-300">
            Reprehenderit ad esse et non officia in nulla. Id proident tempor incididunt nostrud nulla et culpa.
          </p>
          <form className="mx-auto mt-10 flex max-w-md gap-x-4">
            <label htmlFor="email-address" className="sr-only">
              Email address
            </label>
            <input
              id="email-address"
              name="email"
              type="email"
              required
              placeholder="Enter your email"
              autoComplete="email"
              className="min-w-0 flex-auto rounded-md bg-white/5 px-3.5 py-2 text-base text-white outline-1 -outline-offset-1 outline-white/10 placeholder:text-gray-400 focus:outline-2 focus:-outline-offset-2 focus:outline-indigo-500 sm:text-sm/6 dark:outline-white/20"
            />
            <button
              type="submit"
              className="flex-none rounded-md bg-white px-3.5 py-2.5 text-sm font-semibold text-gray-900 shadow-xs hover:bg-gray-100 focus-visible:outline-2 focus-visible:outline-offset-2 focus-visible:outline-white dark:shadow-none"
            >
              Notify me
            </button>
          </form>
          <svg
            viewBox="0 0 1024 1024"
            aria-hidden="true"
            className="absolute top-1/2 left-1/2 -z-10 size-256 -translate-x-1/2"
          >
            <circle r={512} cx={512} cy={512} fill="url(#759c1415-0410-454c-8f7c-9a820de03641)" fillOpacity="0.7" />
            <defs>
              <radialGradient
                r={1}
                cx={0}
                cy={0}
                id="759c1415-0410-454c-8f7c-9a820de03641"
                gradientUnits="userSpaceOnUse"
                gradientTransform="translate(512 512) rotate(90) scale(512)"
              >
                <stop stopColor="#7775D6" />
                <stop offset={1} stopColor="#E935C1" stopOpacity={0} />
              </radialGradient>
            </defs>
          </svg>
        </div>
      </div>
    </div>
  )
}