code: function(attrs) {
  			attrs = attrs || {};
  			attrs.state = attrs.state || {};
  
  			//	Build our class name
  			var cName = cfgClasses("mdl-button--", ["raised", "fab", "mini-fab", "icon", "colored", "primary", "accent"], attrs.state) +
  				cfgClasses("mdl-js-", ["ripple-effect"], attrs.state);
  
  			return attrsConfig({
  				className: "mdl-button mdl-js-button" + cName
  			}, attrs);
  		}
docs: Set button class names