chromium/third_party/blink/web_tests/svg/css/svg-length-rem-type.svg

<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="30rem" height="30rem" style="font-size:10px">
  <rect width="10rem" height="10rem" style="fill:rgb(0,0,255);stroke-width:3;stroke:rgb(0,0,0)" />
</svg>