<?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 stroke dimensions</title>
  <html:link rel="help" href="https://w3c.github.io/svgwg/svg2-draft/geometry.html"/>
  <html:link rel="match"  href="percentage-ref.svg" />

  <style>
    rect {
      fill: none;
      stroke: blue;
    }
  </style>

  <rect x="62" y="68" width="434" height="204"
    stroke-width="10%" stroke-dasharray="20% 30%" stroke-dashoffset="-10%" />
</svg>