<!doctype html>
<title>Render is synchronized with font-size change</title>
<svg width="400" height="400" style="font-size:20px">
  <rect width="5em" height="5em" rx="5px" ry="5px" fill="magenta" />
  <circle cx="10em" cy="5em" r="4em" fill="purple" />
  <line y1="6em" x2="15em" y2="6em" stroke="skyblue" />
</svg>
