Setting css style in to node  @method setStyle @prop {dom.Element} node @prop {String||Object} prop @prop {String} value
function setStyle(node, prop, value) {
            if (node && node.el) {
                if (isObject(prop)) {
                    Object.keys(prop).forEach(function (key) {
                        node.el.style[key] = prop[key];
                    });
                } else {
                    node.el.style[prop] = value;
                }
            }
        }