Listing D: custom.svg
<?xml version="1.0" encoding="ISO-8859-1"?>
<svg
  xmlns:xlink="http://www.w3.org/1999/xlink" height="50" width="200">
  <a xlink:href="http://www.google.com">
    <rect
      style="fill:rgb(0,0,255);stroke:rgb(0,0,0);stroke-width:1"    
      height="37"
      width="193"
      y="6"
      x="3"/>
    <text
      style="fill:rgb(0,0,0);font-size:24;font-family:Arial"
      transform="translate(13 12)"
      y="17px"
      x="26px">Google</text>
  </a>
</svg>