AFAIK satoshizero uses bootstrap so either you could go over some tutorials over the net to learn how to do it (CSS coding + HTML) or hire someone since it's not a ready made script that you could just use. bonusbitcoin uses a completely custom made so that one is going to be pricey. In case your looking to do everything by yourself and save some money, you could check the following link, might help you to choose which one you want:
http://bitckerz.net/bitcoin-faucet-scripts/