📷📷📷📷📷📷📷 Start with Smile😄😄

• Fork the repository
• Open customize.json and replace name/wish-message/image with your own
• Turn on GitHub pages for the repository (Settings > GitHub Pages)
• Send the URL that you get at the above step to your friend

If you have any idea to make it more interesting, feel free to send a PR, or create an issue for a feature request.

Stay happy and keep the people you care about happy. :)