<!DOCTYPE html>
<html lang="en-US">
<head>
<style>
svg rect{
fill:green;
stroke:red;
stroke-width:3;
}
</style>
</head>
<body>
<svg width="400" height="180">
<rect x="50" y="10" rx="25" ry="25" width="200" height="100" />
Sorry, your browser does not support inline SVG.
</svg>
</body>
</html>