<!DOCTYPE html>
<html>
  <head>
    <title>Hello World!</title>
  </head>
  <body>
    <svg>
      <circle cx="50" cy="50" r="50" fill="blue" stroke="red" stroke-width="20"></circle>
    </svg>
    <svg>
      <rect width="200" height="100" fill="green"></rect>
    </svg>
      
  </body>
</html>
by