{{ define "centered_image.html" }} <!DOCTYPE html> <html lang="en"> <div class="row container-fluid m-0 p-0"> <div class="col container-fluid" style="background-color: black;"></div> <img src="{{ . }}" loading="lazy" class="img-fluid m-0 p-0 col-auto" style="background-color: black; max-height: 70vh;"> <div class="col container-fluid" style="background-color: black;"></div> </div> </html> {{ end }}