Starting with the latest dataTables v.1.10.4 (December 8, 2014), they changed the name of the classes. If you want to place the sorting arrows to the left of the column heading, you should use the following CSS: desired result:
table.dataTable thead .sorting, table.dataTable thead .sorting_asc, table.dataTable thead .sorting_desc, table.dataTable thead .sorting_asc_disabled, table.dataTable thead .sorting_desc_disabled { background-position: left center; padding-left: 20px; }
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