<html lang="en"> <head> {{ template "static" }} <link href="/static/error-image.css" rel="stylesheet" > {{ template "static-meta" }} </head> <body> <div class="h-100 d-flex justify-content-center align-items-center flex-column"> <h1>500</h1> <h1>SOMETHING IS BROKEN</h1> <a href="/" class="error-image-link"> <img class="error-image" src="/static/images/errors/500.png" alt="All broken" > </a> </div> </body> </html>