>>>
return $.Div(inner: [

    $.Div(id: "container", inner: [
        $.Canvas(width: maxD, height: maxD, clazz: "center", ref: canvas),
        $.Form(clazz: "center", inner: [
            $.Input(type: "range", max: 1000, value: seeds, onChange: onSliderChange)
        ]),
        $.Img(src: "math.png", width: "350px", height: "42px", clazz: "center")
    ]),

    $.Footer(inner: [
        $.P(id: "notes", inner: "${seeds} seeds")
    ]),
]);
<<<
return $.Div(inner: [
  $.Div(id: "container", inner: [
    $.Canvas(width: maxD, height: maxD, clazz: "center", ref: canvas),
    $.Form(clazz: "center", inner: [
      $.Input(type: "range", max: 1000, value: seeds, onChange: onSliderChange)
    ]),
    $.Img(src: "math.png", width: "350px", height: "42px", clazz: "center")
  ]),
  $.Footer(inner: [$.P(id: "notes", inner: "${seeds} seeds")]),
]);