Change panel style from default to primary; better aesthetics
Change panel style from default to primary; better aesthetics

Signed-off-by: Jason Dossett <e6f895edd39634df23774f0615e338f58a73f02c@utdallas.edu>

jdossett/cii-best-practices-badge,linuxfoundation/cii-best-practices-badge,yannickmoy/cii-best-practices-badge,taylorcoursey/cii-best-practices-badge,yannickmoy/cii-best-practices-badge,wanganyv/cii-best-practices-badge,yannickmoy/cii-best-practices-badge,yannickmoy/cii-best-practices-badge,linuxfoundation/cii-best-practices-badge,wanganyv/cii-best-practices-badge,linuxfoundation/cii-best-practices-badge,linuxfoundation/cii-best-practices-badge,coreinfrastructure/best-practices-badge,jdossett/cii-best-practices-badge,wanganyv/cii-best-practices-badge,taylorcoursey/cii-best-practices-badge,taylorcoursey/cii-best-practices-badge,coreinfrastructure/best-practices-badge,jdossett/cii-best-practices-badge,jdossett/cii-best-practices-badge,wanganyv/cii-best-practices-badge,coreinfrastructure/best-practices-badge,taylorcoursey/cii-best-practices-badge,coreinfrastructure/best-practices-badge