dom-to-image/spec/resources/css-bg/style.css

Generates an image from a DOM node using HTML5 canvas and SVG

#dom-node {
    width: 100px;
    height: 100px;
}
.with-background {
    background: url(/base/spec/resources/images/image.jpeg) no-repeat left top;
    background-size: 100px 100px;
    width: 100px;
    height: 100px;
}