code: function( css ) {
  			css = [].concat( css );
  			var item,
  				retval = [];
  			for ( var i = 0; i < css.length; i++ ) {
  				if ( ( item = css[ i ] ) ) {
  					// Is CSS style text ?
  					if ( /@import|[{}]/.test( item ) )
  						retval.push( '<style>' + item + '</style>' );
  					else
  						retval.push( '<link type="text/css" rel=stylesheet href="' + item + '">' );
  				}
  			}
  			return retval.join( '' );
  		}
docs: Builds a HTML snippet from a set of `<style>/<link>`.
  
  @param {String/Array} css Each of which are URLs (absolute) of a CSS file or
  a trunk of style text.
  @returns {String}