code: function createStyleProperty(el) {
  	var style = el.style;
  	var output = {};
  	for (var i = 0; i < style.length; ++i) {
  		var item = style.item(i);
  		output[item] = String(style[item]);
  		// hack to workaround browser inconsistency with url()
  		if (output[item].indexOf('url') > -1) {
  			output[item] = output[item].replace(/\"/g, '')
  		}
  	}
  	return { name: 'style', value: output };
  }
docs: Create style property from dom node
  
  @param   Object  el  DOM node
  @return  Object        Normalized attribute