(function() {
  var bbox, height, inner_svg, svg, txt, width;

  svg = d3.select('svg');

  width = svg.node().getBoundingClientRect().width;

  height = svg.node().getBoundingClientRect().height;

  svg.attr({
    viewBox: "" + (-width / 2) + " " + (-height / 2) + " " + width + " " + height
  });

  svg.append('rect').attr({
    x: -380,
    y: -200,
    width: 760,
    height: 400
  });

  inner_svg = svg.append('svg').attr({
    x: -380,
    y: -200,
    width: 760,
    height: 400,
    preserveAspectRatio: 'none'
  });

  txt = inner_svg.append('text').text('Hello Ground!');

  bbox = txt.node().getBBox();

  inner_svg.attr({
    viewBox: "" + bbox.x + " " + bbox.y + " " + bbox.width + " " + bbox.height
  });

}).call(this);