cal.pub0.org/components/Modal.tsx

import { Fragment } from 'react'
import { Dialog, Transition } from '@headlessui/react'
import { CheckIcon } from '@heroicons/react/outline'

export default function Modal(props) {
    return (
        <Transition.Root show={props.open} as={Fragment}>
            <Dialog as="div" static className="fixed z-50 inset-0 overflow-y-auto" open={props.open} onClose={props.handleClose}>
                <div className="flex items-end justify-center min-h-screen pt-4 px-4 pb-20 text-center sm:block sm:p-0">
                    <Transition.Child
                        as={Fragment}
                        enter="ease-out duration-300"
                        enterFrom="opacity-0"
                        enterTo="opacity-100"
                        leave="ease-in duration-200"
                        leaveFrom="opacity-100"
                        leaveTo="opacity-0"
                    >
                        <Dialog.Overlay className="fixed inset-0 bg-gray-500 z-0 bg-opacity-75 transition-opacity" />
                    </Transition.Child>

                    {/* This element is to trick the browser into centering the modal contents. */}
                    <span className="hidden sm:inline-block sm:align-middle sm:h-screen" aria-hidden="true">
                        &#8203;
                    </span>
                    <Transition.Child
                        as={Fragment}
                        enter="ease-out duration-300"
                        enterFrom="opacity-0 translate-y-4 sm:translate-y-0 sm:scale-95"
                        enterTo="opacity-100 translate-y-0 sm:scale-100"
                        leave="ease-in duration-200"
                        leaveFrom="opacity-100 translate-y-0 sm:scale-100"
                        leaveTo="opacity-0 translate-y-4 sm:translate-y-0 sm:scale-95"
                    >
                        <div className="inline-block align-bottom bg-white rounded-lg px-4 pt-5 pb-4 text-left overflow-hidden shadow-xl transform transition-all sm:my-8 sm:align-middle sm:max-w-sm sm:w-full sm:p-6">
                            <div>
                                <div className="mx-auto flex items-center justify-center h-12 w-12 rounded-full bg-green-100">
                                    <CheckIcon className="h-6 w-6 text-green-600" aria-hidden="true" />
                                </div>
                                <div className="mt-3 text-center sm:mt-5">
                                    <Dialog.Title as="h3" className="text-lg leading-6 font-medium text-gray-900">
                                        {props.heading}
                                    </Dialog.Title>
                                    <div className="mt-2">
                                        <p className="text-sm text-gray-500">
                                            {props.description}
                                        </p>
                                    </div>
                                </div>
                            </div>
                            <div className="mt-5 sm:mt-6">
                                <button
                                    type="button"
                                    className="btn-wide btn-primary"
                                    onClick={() => props.handleClose()}
                                >
                                    Dismiss
                                </button>
                            </div>
                        </div>
                    </Transition.Child>
                </div>
            </Dialog>
        </Transition.Root>
    )
}