<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, 75, 130);
// Sets a fill.
rectangle.fill({color: "#2196F3", opacity: 0.5});