<?xml version="1.0" encoding="utf-8"?>
<svg id="svg-root"
  width="310" height="170" viewBox="0, 0, 620, 340"
  xmlns="http://www.w3.org/2000/svg"
  xmlns:xlink="http://www.w3.org/1999/xlink"
  xmlns:html="http://www.w3.org/1999/xhtml">
  <title>Percentages in shapes</title>
  <html:link rel="help" href="https://svgwg.org/svg2-draft/geometry.html"/>
  <html:link rel="match"  href="percentage-ref.svg" />

  <style>
    svg {
      fill: none;
      stroke-width: 30px;
    }
    circle {
      cx: 70%;
      cy: 60%;
      r: 50%;
    }
    ellipse {
      cx: 40%;
      cy: 30%;
      rx: 10%;
      ry: 20%;
    }
    rect {
      x: 10%;
      y: 20%;
      width: 70%;
      height: 60%;
    }
  </style>

  <circle stroke="cyan" />
  <ellipse stroke="green" />
  <rect stroke="blue" />
</svg>