           """
         ,
           {
-            selectors: [
-              '.box'
-            ]
             commands: [
               [
                 'chain',

          """
          ,
            {
              selectors: []
              commands: [
                ['eq', ['get', '[left]'], ['number', -1]]
              ]

          """
        ,
          {
            commands: [
              [
                'chain',
