d simplified.cr

d "font-small justify-content" do
  render_stuff
end

# If you need an id, pass it as an extra arg. I think it is a bit more rare to use id so this might be ok for most people
d "my-class", id: "ok-fine-i-need-an-id" do
end

private def d(classes : String, **other_args)
  div(class: classes, **other_args) do
    yield
  end
end