Fix issue with header level to ctnr underlining on hover
Fix issue with header level to ctnr underlining on hover

drkitty/cyder,murrown/cyder,OSU-Net/cyder,OSU-Net/cyder,murrown/cyder,drkitty/cyder,murrown/cyder,akeym/cyder,akeym/cyder,OSU-Net/cyder,drkitty/cyder,OSU-Net/cyder,drkitty/cyder,akeym/cyder,murrown/cyder,akeym/cyder