3.0 beta 2

AX.Styles

CSS styles collection.

var obj = new AX.HTML({
    id: 'xyz',
    styles: {
        color: 'red',
        width: '100px'
    }
});

or

var obj = new AX.HTML({
    color: 'red',
    width: '100px',
    styles: 'color:{{@color}};width:{{@width}}'
});

Shortcut method -

obj.style('color', 'red');

Included into attributes collection.