If I have multiple VirtualHosts defined in Nginx for my two personal websites, should I define these ciphers in each file in sites-enabled or define them in the

If I have multiple VirtualHosts defined in Nginx for my two personal websites, should I define these ciphers in each file in sites-enabled or define them in the /etc/nginx/nginx.conf file? Totally realise this is a Newbie question, but I'm finding it hard to get an authoritative answer from my bumbling Googling. I really want to get this right and I thought that the hive mind here on Hacker News would be able to give me an answer that I could trust. Please downvote this if I've made a faux-hacker-pas, but be kind to the new guy! :-)