Error pages
503 — Service unavailable

The site is briefly unavailable —
maintenance, or an unusual rush of visitors.
Try again in a few minutes.
How CDPCMS shows it
CDPCMS writes this page as a static file in the design of the site.
nginx delivers it even when PHP itself is down.
Every error code has two images that alternate, each with its own version for phones.
All images come from the site's own domain.