<div id="container"></div>
html, body, #container {
width: 100%;
height: 100%;
margin: 0;
padding: 0;
}
var stage = acgraph.create('container');
var rectangle = stage.unmanagedLayer();
// Set inner content as SVG string.
rectangle.content('<rect x="30" y="30" width="150" height="100" fill="#90caf9"/>');