Sorry to hear that you're having trouble accessing the site. Could you please open a support ticket so our team can look into the issue? You can do that right in the DigitalOcean control panel:
If you aren't able to log in at all, you can open a ticket via email at email@example.com
It's sounds like perhaps one of the CDN's hosting our CSS might be blocked by your ISP. Please provide as much information as possible so that we can help get to the bottom of the issue.