   },
            {
                extend:    'csvHtml5',
                text:      '<i class="fa fa-file-text-o"></i>',
                titleAttr: 'CSV'
            },
            {
                extend:    'pdfHtml5',
                text:      '<i class="fa fa-file-pdf-o"></i>',
                titleAttr: 'PDF'
            },
            {
                extend: 'pageLength',
                text: '<i class="fa fa-bars"></i>',
                titleAttr: 'Table Length'
            },
            {
  