That's almost exactly how npub.pro sites work, you could render them inside an app without relying on the website url. All you're asking is us to rebuild html+css, which is too much to ask

nostr:nevent1qqsffujen8vvrus3nqw2ygc0kmcamuzucvc5l9xkkccqzlvq4408qssppemhxue69uhkummn9ekx7mp0qgsrx4k7vxeev3unrn5ty9qt9w4cxlsgzrqw752mh6fduqjgqs9chhgrqsqqqqqptadtwv