<svg width="300" height="200"
  xmlns="http://www.w3.org/2000/svg"
  xmlns:html="http://www.w3.org/1999/xhtml">
  <title>Ellipse coordinates and radii specified by properties</title>
  <html:link rel="help" href="https://w3c.github.io/svgwg/svg2-draft/geometry.html"/>
  <html:link rel="match"  href="ellipse-ref.svg" />
  <style>
    ellipse {
      cx: 75px;
      cy: 120px;
      rx: 60px;
      ry: 50px;
      fill: blue;
    }
  </style>
  <ellipse />
</svg>