SVG Rounded Rectangle

Example

<svg width="400" height="180">

  <rect x="50" y="20" rx="20" ry="20" width="150" height="150"

  style="fill:red;stroke:black;stroke-width:5;opacity:0.5" />

</svg>

<!DOCTYPE html>

<html>

<body>

<svg width="400" height="180">

  <rect x="50" y="20" rx="20" ry="20" width="150" height="150"

  style="fill:red;stroke:black;stroke-width:5;opacity:0.5" />

Sorry, your browser does not support inline SVG.

</svg>

</body>

</html>