<div id="container"></div>
html, body, #container {
width: 100%;
height: 100%;
margin: 0;
padding: 0;
}
var stage = acgraph.create("container");
var rectangle = stage.rect(10, 10, 100, 200);
// Sets linear gradient fill.
rectangle.fill(["#4CAF50", "#F5F5F5"], 45, true, 0.5);