This repository contain some http error page sample, they work with Apache server for the moment (more hosting software soon)
Copy the src directory then create a error_docs directory at the root of your Apache server with the content of your clipboard
├─ error_docs
│ error.html
│ logic.js
│ master.min.css
│ master.min.css.map
│ master.scss
│ test-zdog.png
│ test-zdog2.png
In your .htdocs
ErrorDocument 400 /error_docs/error.html
ErrorDocument 401 /error_docs/error.html
ErrorDocument 403 /error_docs/error.html
ErrorDocument 404 /error_docs/error.html
ErrorDocument 500 /error_docs/error.html
ErrorDocument 501 /error_docs/error.html
ErrorDocument 502 /error_docs/error.html
ErrorDocument 503 /error_docs/error.html
# ErrorDocument 520 /error_docs/error.html
# ErrorDocument 521 /error_docs/error.html
ErrorDocument 200 /error_docs/error.html