fix headings inheriting post background color
fix headings inheriting post background color

dicrescenzob/SinglePaged,STWUR/STWUR,keheliya/SinglePaged,tannermontague/tannermontague,t413/SinglePaged,cesium/codeweek15,armorupjeff/armorup,asayler/cu-cs-vm-site,STWUR/STWUR,apapendieck/comlab,pimentel/pimentel.github.io,codeclubnz/landing-page,rfitz9/gafecon,beyondnebula/beyondnebula.github.io,Superman008/SDSCWebsite,cesium/codeweek15,blairanderson/tannermontague,7heaven/SinglePaged,beyondnebula/beyondnebula.github.io,armorupjeff/armorup,richardtin/resume,ShaneCurcuru/mapreduce.info,holyquiche/holyquiche.github.io,jimma/SinglePaged,AlcoholiO/StaticSiteSetup,norlab/curriculum-test,sitecoxyz/tells.xyz,HackApnea/HackApnea.github.io,holyquiche/holyquiche.github.io,llbuaa/llbuaa.github.io,jakewins/opencomo-site,MoZoFucK/mozofuck2.github.io,llbuaa/llbuaa.github.io,t413/SinglePaged,tannermontague/tannermontague,dicrescenzob/SinglePaged,grandwazir/ElyGamesDay,Superman008/SDSCWebsite,doritool/doritool.github.io,rfitz9/gafecon,pimentel/pimentel.github.io,STWUR/STWUR,blairanderson/tannermontague,codeclubnz/landing-page,7heaven/SinglePaged,AlcoholiO/StaticSiteSetup,richardtin/resume,HackApnea/HackApnea.github.io,ShaneCurcuru/mapreduce.info,holyquiche/holyquiche.github.io,norlab/curriculum-test,asayler/cu-cs-vm-site,keheliya/SinglePaged,beyondnebula/beyondnebula.github.io,MoZoFucK/mozofuck2.github.io,doritool/doritool.github.io,jakewins/opencomo-site,sitecoxyz/tells.xyz,jimma/SinglePaged,grandwazir/ElyGamesDay,apapendieck/comlab,richardtin/resume