Ghost id in css causes errors
Ghost id in css causes errors

- fixes #265
- I've just removed this css as I can't see anywhere in casper where it will be needed.
- Using id's in theme css should be pretty much banned, or always tightly scoped away from the content so as not to clash with markdown

Elethom/Casper,dolph/Casper,arangas/StayPuft,Gasol/Casper,dlecina/StayPuft,cobbspur/Rasper,kdelfour/kd.eu-theme,Robdel12/Casper,tiagojsalmeida/Kibosh-Ghost-Theme,benbrandt/Casper-Ben,AaronLenoir/Casper,novaugust/Novasper,rizowski/Theme,ITJesse/Casper-zh,10hacks/blog-theme-casper,Kdecherf/Nicholas,jtrussell/Jasper,oddui/casper_littlehorse,mistermark/Zeitgeist,kennethormandy/hb-casper,CAYdenberg/StayPuft,hnarayanan/narayanan.co-casper,topaxi/TopaxiCodes,dbulli/Duppy,iT2afL0rd/Desper,lukevers/Casper,alvareztech/Casper,makerdiary/Casper,tiagojsalmeida/Kibosh-Ghost-Theme,eduardochiaro/Casper-Light,khsing/Haze,fastefoundation/Frog,martinnormark/Casper,jrummell/CasperJR,HiveHQ/Hive-Casper,dlecina/StayPuft,tandrewnichols/casper-dev,rizowski/Theme,jbfriedrich/lazo,tenoku/boo,molly/ghost-theme,spencercree/customGhost,topaxi/TopaxiCodes,teambition/Casper,AWCN/PrismCasper,TheFynx/StayPuft-Dark,yshrsmz/Casper_yslibrary,Gaisuru/StayPuft,rkalis/roscasper,discordianfish/5pi_ghost_theme,Samisdat/ghost-conway,Aplopio/ghost-theme,codio/Casper,Mr-Zer0/yansnote,BookingSync/SmilingCasper,bmancini55/Casper,Gasol/Casper,evitolins/CasperEV,makerdiary/Casper,KlausTrainer/Casper,hnarayanan/narayanan.co-casper,alvareztech/Casper,dolph/Casper,diogomonica/Casper,Arasthel/Ghostly,fastefoundation/Frog,mnitchie/Casper,Inchdev/blog-theme,1cookco/Casper,trunk-studio/Casper,emmmile/Casper,whmii/Bao-House,ticoombs/SeoBro,hiroqli/Casper,KlausTrainer/Casper,vertigra/Ghostly,panezhang/Casper,mnitchie/Casper,yaeda/Arizona,bnggge/Casper,Gimpneek/Casper2Pelican,sshockwave/VSCodeTheme,Samisdat/ghost-conway,Gimpneek/Casper2Pelican,allenan/mcs,lumir-mrkva/chytra-ucetni-theme,blt/Casper,dpnl87/Ghosty,ticoombs/SeoBro,brnz/hboiled,cobbspur/Casper,eidolem/casper,ugurcan377/StayPuft,MoriTanosuke/kopis-ghost-theme,abr4xas/Casper2Pelican,ErisDS/Casper,therecluse26/Establishment,TryGhost/Casper,osirisguitar/GhostMetalCoder,Gaisuru/StayPuft,derdela/Casper,matitalatina/Casper,panezhang/Casper,Larleyt/Casper,kaiqigong/Casper,tenoku/boo,jrummell/CasperJR,forfuturellc/Casper,AWCN/PrismCasper,hiroqli/Casper,tmack8001/skeletor-casper,RisingStack/StayPuft,Rystakei/topdollar-theme,DrZhi/Casper,jbfriedrich/lazo,evitolins/CasperEV,bisurance/bisurance-ghost-casper,mistermark/Zeitgeist,devillex/phantasm,kaychaks/casper,renattomachado/StayPuft,chin8628/Casper,sawilde/Casper,schneidmaster/schneidseven,Flink/Casper,jedidja/Casper,kaizvn/kMod-Casper,osirisguitar/GhostMetalCoder,haakoo/Findlay,tandrewnichols/dullahan,haakoo/Findlay,Soares/mindingourway.theme,Normegil/Casper,happyfunboy/ghost_theme,Rystakei/topdollar-theme,JulienBrks/Casper,eduardochiaro/Casper-Light,jasperla/ghost-Jasper,thormagnusson/casper,eidolem/casper,teambition/Casper,bsansouci/Casper,ghostchina/Casper-zh,BookingSync/SmilingCasper,Swaagie/neutral,bnggge/Casper,kaizvn/kMod-Casper,JDevlieghere/JCasper,wolfstonecraft/wolfstonecraft.github.io,realityone/RCasper,renattomachado/StayPuft,Arasthel/Ghostly,jrfferreira/Casper,motatoes/casper-moe,cjfuller/Casper,diogomonica/Casper,jaydez/Casper2,cwonrails/cwoncasper,molly/ghost-theme,DevL/Casper,bisurance/bisurance-ghost-casper,mbillard/Casper,ryexley/Casper,brnz/hboiled,dzimchuk/Casper,ghostchina/Casper-zh,Zokormazo/Casper-eu,roikiermedia/Casper-modified,tiagocasanovapt/Casper,lumir-mrkva/chytra-ucetni-theme,dolph/Casper,dbulli/Duppy,adelq/tufte-ghost,Ramshackle-Jamathon/Casper,TheFynx/StayPuft-Dark,duyetdev/islab-theme,ivanvanderbyl/nord-theme,SiliCAT/Casper,BrandwatchLtd/Casper,johanderohan/Casper,Elethom/Casper,kaiqigong/Casper,sshockwave/VSCodeTheme,btaratutin/Magenta,emmmile/Casper,halfdan/Casper,cshutchinson/twilightfactor,wolfstonecraft/wolfstonecraft.github.io,tomkwok/Casper,brnz/hboiled,aholmes/Casper,sealake/Ghostly,Ramshackle-Jamathon/Casper,emmmile/Casper,tmack8001/skeletor-casper,moehabib/casper-moe,jacksoncwwong/Casper,yo1dog/Casper,Acidburn0zzz/Casper,zestyzesty/Casper,therecluse26/Establishment,Teamtailor/Casper,pdsarin/ChamanLal,naggie/Casper,Shaked/KzarimTheme,jgable/Casper,yshrsmz/Casper_yslibrary,vertigra/Ghostly,blade254353074/casper-custom,steinwaywhw/ghost-theme,diancloud/Casper,JDevlieghere/JCasper,1cookco/Casper,Inchdev/blog-theme,tiagocasanovapt/Casper,notno/Casper,pdsarin/ChamanLal,ErisDS/Casper,bttf/Casper,notno/Casper,lizequn/CasperByZzz,ivanoats/casper,zanui/Casper,Soares/mindingourway.theme,RuiAAPeres/Casper,bsansouci/Casper,dlew/Casper,michaelperrin/mike-ghost-theme,realityone/RCasper,Aaron1992/ak48,jasperla/ghost-Jasper,ImKcat/ImKcatCasper,martinnormark/Casper,spencercree/customGhost,developer-prosenjit/Casper,chowp/ghost-theme,yo1dog/Casper,derdela/Casper,derherrg/Orion,duyetdev/islab-theme,oddui/casper_littlehorse,cshutchinson/twilightfactor,novaugust/Novasper,forfuturellc/Casper,jaydez/Casper2,adelq/Casper,tylergibson/Tynker,khsing/Haze,Aplopio/ghost-theme,netputer/Casper,fredeerock/atlab-ghost-theme,lukaszklis/spooky,malcolmocean/themindsui.theme,carlosbaraza/devmind-ghost-theme,Mr-Zer0/yansnote,arangas/StayPuft,paulcbetts/Casper,abr4xas/Casper2Pelican,janocat/StayPuft,kdelfour/kd.eu-theme,PDXIII/Casper-FormMailer,CAYdenberg/StayPuft,michaelperrin/mike-ghost-theme,haakoo/Findlay,jedidja/Casper,velimir0xff/Casper,PDXIII/Casper-FormMailer,cwonrails/cwoncasper,DevL/Casper,ITJesse/Casper-zh,yuchien302/YuChienGhostTheme,krames/bbq-theme,matitalatina/Casper,fredeerock/atlab-ghost-theme,johanderohan/Casper,chowp/ghost-theme,solobat/KCoder,wolfstonecraft/wolfstonecraft.github.io,Teamtailor/Casper,tandrewnichols/dullahan,alexshenoy/CasperModified,dpiatek/ghost-blog-theme,chareice/clash,tandrewnichols/casper-dev,novaugust/Novasper,happyfunboy/ghost_theme,lizequn/CasperByZzz,SiliCAT/Casper,faizmokhtar/Fatso,dzimchuk/Casper,russmckendrick/Casper,sawilde/Casper,trunk-studio/Casper,sealake/Ghostly,rkalis/roscasper,Zokormazo/Casper-eu,naggie/Casper,danmindru/Casper,DanPurdy/Spooky,gchan/Casper,AaronLenoir/Casper,faizmokhtar/Fatso,thormagnusson/casper,blade254353074/casper-custom,Flink/Casper,danmindru/Casper,HiveHQ/Hive-Casper,makapen/Casper,benbrandt/Casper-Ben,cmwinters/lynx-theme