It's impossible for the following reason:
You want the person to be able to view the page. For them to view the page you have to either provide them with a custom browser that will be able to decrypt the encrypted pages you send them, or provide the decryption mechanism as part of the page.
Because the software they're using has to be able to decrypt the page, or they won't be able to view it. If they have to decrypt the page to view it, why encrypt it in the first place?