terse_div_classes.cr

  private def d(css_selectors : String, **other_args)
    classes = css_selectors.split '.'

    if classes[0].starts_with? '#'
      id = classes.shift.lstrip '#'
      div_args = other_args.merge({ id: id, class: classes.join(" ") })
    else
      div_args = other_args.merge({ class: classes.join(" ") })
    end

    div(div_args) do
      yield
    end
  end

def html
      body do
        d "#vspacer" do
          d ".container" do
            navbar

            d ".row" do
              d ".col-md-12 main" do
                render_flash

                yield
              end
            end
          end
        end

        d "#footer" do
          d ".container" do
            hr
          end
        end
      end

end