Center default user-error (404, etc.)
Center default user-error (404, etc.)

See #3810
- Only thing missing: <div id=“container”></div>. Added.

Gargol/Ghost,memezilla/Ghost,gabfssilva/Ghost,woodyrew/Ghost,andrewconnell/Ghost,zumobi/Ghost,GarrethDottin/Habits-Design,JulienBrks/Ghost,tyrikio/Ghost,exsodus3249/Ghost,sangcu/Ghost,kortemy/Ghost,dymx101/Ghost,BlueHatbRit/Ghost,cicorias/Ghost,BayPhillips/Ghost,lowkeyfred/Ghost,cwonrails/Ghost,patterncoder/patterncoder,leonli/ghost,hilerchyn/Ghost,pbevin/Ghost,hnarayanan/narayanan.co,manishchhabra/Ghost,manishchhabra/Ghost,gcamana/Ghost,novaugust/Ghost,Feitianyuan/Ghost,wangjun/Ghost,kortemy/Ghost,gleneivey/Ghost,velimir0xff/Ghost,yundt/seisenpenji,pbevin/Ghost,djensen47/Ghost,llv22/Ghost,NovaDevelopGroup/Academy,jorgegilmoreira/ghost,Romdeau/Ghost,delgermurun/Ghost,jparyani/GhostSS,ericbenson/GhostAzureSetup,kaychaks/kaushikc.org,ThorstenHans/Ghost,neynah/GhostSS,cysys/ghost-openshift,NovaDevelopGroup/Academy,notno/Ghost,mnitchie/Ghost,Romdeau/Ghost,sajmoon/Ghost,arvidsvensson/Ghost,epicmiller/pages,hyokosdeveloper/Ghost,nneko/Ghost,yangli1990/Ghost,vishnuharidas/Ghost,thomasalrin/Ghost,Loyalsoldier/Ghost,stridespace/Ghost,NodeJSBarenko/Ghost,dYale/blog,gleneivey/Ghost,bosung90/Ghost,vainglori0us/urban-fortnight,mayconxhh/Ghost,TribeMedia/Ghost,riyadhalnur/Ghost,letsjustfixit/Ghost,kmeurer/Ghost,IbrahimAmin/Ghost,wangjun/Ghost,stridespace/Ghost,benstoltz/Ghost,exsodus3249/Ghost,YY030913/Ghost,thomasalrin/Ghost,zackslash/Ghost,woodyrew/Ghost,aroneiermann/GhostJade,handcode7/Ghost,ASwitlyk/Ghost,rizkyario/Ghost,qdk0901/Ghost,kevinansfield/Ghost,mnitchie/Ghost,smaty1/Ghost,pedroha/Ghost,bitjson/Ghost,rouanw/Ghost,TribeMedia/Ghost,aschmoe/jesse-ghost-app,kolorahl/Ghost,laispace/laiblog,shannonshsu/Ghost,dqj/Ghost,virtuallyearthed/Ghost,skleung/blog,augbog/Ghost,tanbo800/Ghost,mttschltz/ghostblog,aexmachina/blog-old,ManRueda/manrueda-blog,etdev/blog,JohnONolan/Ghost,Gargol/Ghost,skmezanul/Ghost,load11/ghost,rito/Ghost,r1N0Xmk2/Ghost,jaguerra/Ghost,ngosinafrica/SiteForNGOs,zhiyishou/Ghost,Azzurrio/Ghost,axross/ghost,codeincarnate/Ghost,ryanbrunner/crafters,Jai-Chaudhary/Ghost,shrimpy/Ghost,vainglori0us/urban-fortnight,tyrikio/Ghost,ballPointPenguin/Ghost,AlexKVal/Ghost,davidenq/Ghost-Blog,hnq90/Ghost,achimos/ghost_as,javorszky/Ghost,dbalders/Ghost,kaiqigong/Ghost,Netazoic/bad-gateway,ManRueda/Ghost,AileenCGN/Ghost,ryansukale/ux.ryansukale.com,jaswilli/Ghost,cwonrails/Ghost,greyhwndz/Ghost,bsansouci/Ghost,SkynetInc/steam,GroupxDev/javaPress,RoopaS/demo-intern,Kaenn/Ghost,MrMaksimize/sdg1,patrickdbakke/ghost-spa,kwangkim/Ghost,GarrethDottin/Habits-Design,acburdine/Ghost,adam-paterson/blog,makapen/Ghost,darvelo/Ghost,madole/diverse-learners,Trendy/Ghost,situkangsayur/Ghost,ErisDS/Ghost,UsmanJ/Ghost,r1N0Xmk2/Ghost,etanxing/Ghost,codeincarnate/Ghost,yangli1990/Ghost,janvt/Ghost,prosenjit-itobuz/Ghost,benstoltz/Ghost,letsjustfixit/Ghost,Xibao-Lv/Ghost,Japh/shortcoffee,Azzurrio/Ghost,leonli/ghost,ygbhf/Ghost,Rovak/Ghost,e10/Ghost,syaiful6/Ghost,Loyalsoldier/Ghost,VillainyStudios/Ghost,rafaelstz/Ghost,ErisDS/Ghost,developer-prosenjit/Ghost,ladislas/ghost,zumobi/Ghost,ivantedja/ghost,jamesslock/Ghost,Elektro1776/javaPress,kortemy/Ghost,davidenq/Ghost-Blog,karmakaze/Ghost,francisco-filho/Ghost,ananthhh/Ghost,tchapi/igneet-blog,bosung90/Ghost,cncodog/Ghost-zh-codog,jomofrodo/ccb-ghost,kwangkim/Ghost,syaiful6/Ghost,patterncoder/patterncoder,mayconxhh/Ghost,sergeylukin/Ghost,julianromera/Ghost,anijap/PhotoGhost,Klaudit/Ghost,PaulBGD/Ghost-Plus,carlosmtx/Ghost,rollokb/Ghost,skmezanul/Ghost,qdk0901/Ghost,ckousik/Ghost,KnowLoading/Ghost,tksander/Ghost,dai-shi/Ghost,lethalbrains/Ghost,floofydoug/Ghost,jacostag/Ghost,weareleka/blog,mohanambati/Ghost,flomotlik/Ghost,Netazoic/bad-gateway,leninhasda/Ghost,barbastan/Ghost,velimir0xff/Ghost,PDXIII/Ghost-FormMailer,Polyrhythm/dolce,imjerrybao/Ghost,UnbounDev/Ghost,smaty1/Ghost,johnnymitch/Ghost,dylanchernick/ghostblog,Coding-House/Ghost,hnarayanan/narayanan.co,alecho/Ghost,weareleka/blog,pollbox/ghostblog,Alxandr/Blog,jeonghwan-kim/Ghost,optikalefx/Ghost,edurangel/Ghost,cncodog/Ghost-zh-codog,influitive/crafters,lf2941270/Ghost,augbog/Ghost,dqj/Ghost,denzelwamburu/denzel.xyz,nmukh/Ghost,tmp-reg/Ghost,javorszky/Ghost,shannonshsu/Ghost,mattchupp/blog,katrotz/blog.katrotz.space,smedrano/Ghost,psychobunny/Ghost,hoxoa/Ghost,GroupxDev/javaPress,icowan/Ghost,DesenTao/Ghost,javimolla/Ghost,situkangsayur/Ghost,lukekhamilton/Ghost,Kaenn/Ghost,daimaqiao/Ghost-Bridge,flomotlik/Ghost,Smile42RU/Ghost,kaychaks/kaushikc.org,sunh3/Ghost,DesenTao/Ghost,dylanchernick/ghostblog,pedroha/Ghost,ashishapy/ghostpy,AnthonyCorrado/Ghost,theonlypat/Ghost,leninhasda/Ghost,NamedGod/Ghost,rito/Ghost,KnowLoading/Ghost,beautyOfProgram/Ghost,jgillich/Ghost,sceltoas/Ghost,mohanambati/Ghost,virtuallyearthed/Ghost,jorgegilmoreira/ghost,tandrewnichols/ghost,fredeerock/atlabghost,sifatsultan/js-ghost,atandon/Ghost,carlyledavis/Ghost,BlueHatbRit/Ghost,omaracrystal/Ghost,rmoorman/Ghost,allanjsx/Ghost,mhhf/ghost-latex,yanntech/Ghost,devleague/uber-hackathon,neynah/GhostSS,tanbo800/Ghost,mtvillwock/Ghost,VillainyStudios/Ghost,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