{{define "error.html"}} <!DOCTYPE html> <html lang="en" charset="utf-8"> <head> <title>{{.Title}}</title> <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no"> </head> <body> <h2>{{.Title}}</h2> <p>{{.Message}}</p> <hr> <p><a href="{{.ProxyPrefix}}/sign_in">Sign In</a></p> </body> </html> {{end}}