<!DOCTYPE html> <html lang="en"> <head> <title>404 - jfa-go</title> <link rel="stylesheet" type="text/css" href="{{ .cssFile }}"> {{ template "header.html" . }} <style> .messageBox { margin: 20%; } </style> </head> <body> <div class="messageBox"> <h1>Page not found.</h1> <p> {{ .contactMessage }} </p> </div> </body> </html>