code: function ( obj, key, value ) {
  		key = string.toCamelCase( key );
  
  		if ( value !== undefined ) {
  			obj.style[key] = value;
  			return obj;
  		}
  		else {
  			return obj.style[key];
  		}
  	}
docs: Gets or sets a CSS style attribute on an Element
  
  @method css
  @param  {Mixed}  obj   Element
  @param  {String} key   CSS to put in a style tag
  @param  {String} value [Optional] Value to set
  @return {Object}       Element