Seeing a "Site Currently Unavailable" message can be frustrating, but you can...

https://deansinspiringperspective.hexaforgey.com/posts/site-currently-unavailable-after-uploading-a-new-theme-what-to-do-next

Seeing a "Site Currently Unavailable" message can be frustrating, but you can fix it. First, check your DNS settings to ensure your domain points correctly