<html>
<head>
<style>
div {
  background: red;
  height: 100px;
  width: 100px;
}
</style>
</head>
<body style='margin: 0px'>
<div>
  <img style='width: 100%; height: 100%' src='resources/green-relative-size-rect.svg'>
</div>
</body>
</html>