[PURDUENEXT][#503][COM_COURES] use border-top-width, rather than border-top for firefox compatibility
[PURDUENEXT][#503][COM_COURES] use border-top-width, rather than border-top for firefox compatibility

zweidner/hubzero-cms,zweidner/hubzero-cms,zweidner/hubzero-cms,anthonyfuentes/hubzero-cms,zooley/hubzero-cms,zooley/hubzero-cms,anthonyfuentes/hubzero-cms,zooley/hubzero-cms,anthonyfuentes/hubzero-cms,zweidner/hubzero-cms,zooley/hubzero-cms,anthonyfuentes/hubzero-cms