Remove unused css rules, borrow some styling from the portal.
Remove unused css rules, borrow some styling from the portal.

Namely on tables, fonts, and headers.

charliemeyer/geni-ar,GENI-NSF/geni-ar,tcmitchell/geni-ar,tcmitchell/geni-ar,tcmitchell/geni-ar,GENI-NSF/geni-ar,tcmitchell/geni-ar,charliemeyer/geni-ar,charliemeyer/geni-ar,GENI-NSF/geni-ar,GENI-NSF/geni-ar,GENI-NSF/geni-ar,charliemeyer/geni-ar,tcmitchell/geni-ar,charliemeyer/geni-ar