[css mode] teach it about @supports
[css mode] teach it about @supports

Add support for the @supports rule

morrisonwudi/CodeMirror,alur/CodeMirror,ZombieHippie/CodeMirror,rrandom/CodeMirror,morrisonwudi/CodeMirror,Icenium/CodeMirror,TDaglis/CodeMirror,ficristo/CodeMirror,melpon/CodeMirror,nawroth/CodeMirror,codio/CodeMirror,codio/CodeMirror,pinbe/CodeMirror,pjkui/CodeMirror,increpare/CodeMirror,kk9599/CodeMirror,hccampos/CodeMirror,SidPresse/CodeMirror,xeronith/CodeMirror,camellhf/CodeMirror,notepadqq/CodeMirror,hackmdio/CodeMirror,rrandom/CodeMirror,TechnicalPursuit/CodeMirror,ThebingServices/CodeMirror,namin/CodeMirror,loopspace/CodeMirror,TDaglis/CodeMirror,alur/CodeMirror,mizchi/CodeMirror,isdampe/CodeMirror,flyskyko/CodeMirror,jkaplon/CodeMirror,rasata/CodeMirror,ZombieHippie/CodeMirror,isdampe/CodeMirror,ejgallego/CodeMirror,rustemferreira/CodeMirror,Icenium/CodeMirror,sourcelair/CodeMirror,fmoliveira/CodeMirror,ejgallego/CodeMirror,philuchansky/CodeMirror,NumbersInternational/CodeMirror,DustinH/CodeMirror,ksanaforge/CodeMirror,pabloferz/CodeMirror,rasata/CodeMirror,kerabromsmu/CodeMirror,karevn/CodeMirror,loopspace/CodeMirror,xeronith/CodeMirror,davidpham87/CodeMirror,notepadqq/CodeMirror,Navaneethsen/CodeMirror,sekcheong/CodeMirror,mizchi/CodeMirror,supriyantomaftuh/CodeMirror,manderson23/CodeMirror,agendor/CodeMirror,ThebingServices/CodeMirror,mihailik/CodeMirror,kangkot/CodeMirror,kerabromsmu/CodeMirror,NeZaMy/CodeMirror2,camellhf/CodeMirror,davidpham87/CodeMirror,davidpham87/CodeMirror,ficristo/CodeMirror,axter/CodeMirror,antimatter15/CodeMirror,InternetGuru/CodeMirror,wingify/CodeMirror,vanloswang/CodeMirror,anthonygego/CodeMirror,KamranMackey/CodeMirror,skylarkcob/CodeMirror,dperetti/CodeMirror,qweasd1/CodeMirror,MarcelGerber/CodeMirror,dbarnett/CodeMirror,axter/CodeMirror,jkaplon/CodeMirror,bfrohs/CodeMirror,buchslava/CodeMirror,apatawari/CodeMirror,MarcelGerber/CodeMirror,rustemferreira/CodeMirror,mtaran-google/CodeMirror,TechnicalPursuit/CodeMirror,dbarnett/CodeMirror,qiankun007/CodeMirror,gkoberger/CodeMirror,alur/CodeMirror,InternetGuru/CodeMirror,dudb/CodeMirror,Dominator008/CodeMirror,grzegorzmazur/CodeMirror,schanzer/CodeMirror,ejgallego/CodeMirror,xeronith/CodeMirror,bocharsky-bw/CodeMirror,pjkui/CodeMirror,amshali/CodeMirror,bfrohs/CodeMirror,bluesh55/CodeMirror,matthewbauer/CodeMirror,philuchansky/CodeMirror,anthonygego/CodeMirror,morrisonwudi/CodeMirror,elisee/CodeMirror,skylarkcob/CodeMirror,crazy4chrissi/CodeMirror,adobe/CodeMirror2,happibum/CodeMirror-main,bluesh55/CodeMirror,vincentwoo/CodeMirror,elisee/CodeMirror,EasonYi/CodeMirror,isdampe/CodeMirror,matthewbauer/CodeMirror,ThebingServices/CodeMirror,TechnicalPursuit/CodeMirror,Navaneethsen/CodeMirror,dbarnett/CodeMirror,mizchi/CodeMirror,EasonYi/CodeMirror,bgrins/CodeMirror,pjkui/CodeMirror,michaelerobertsjr/CodeMirror,mihailik/CodeMirror,rustemferreira/CodeMirror,dperetti/CodeMirror,antimatter15/CodeMirror,Allenice/CodeMirror,namin/CodeMirror,systay/CodeMirror,r7kamura/CodeMirror,schanzer/CodeMirror,sourcelair/CodeMirror,rrandom/CodeMirror,Ermlab/CodeMirror,jayaprabhakar/CodeMirror,vanloswang/CodeMirror,Aliccer/CodeMirror,cintiamh/CodeMirror,pabloferz/CodeMirror,MarcelGerber/CodeMirror,nightwing/CodeMirror,tpphu/CodeMirror,fmoliveira/CodeMirror,cintiamh/CodeMirror,Jisuanke/CodeMirror,agendor/CodeMirror,vanloswang/CodeMirror,kerabromsmu/CodeMirror,thomasjm/CodeMirror,sanyaade-iot/CodeMirror,Dominator008/CodeMirror,ficristo/CodeMirror,Navaneethsen/CodeMirror,amshali/CodeMirror,systay/CodeMirror,skylarkcob/CodeMirror,axter/CodeMirror,loopspace/CodeMirror,vincentwoo/CodeMirror,Allenice/CodeMirror,happibum/CodeMirror-main,trumanliu/CodeMirror,symbla/CodeMirror,mtaran-google/CodeMirror,trumanliu/CodeMirror,shiren/CodeMirror,kuangyeheng/CodeMirror,DustinH/CodeMirror,ssxxue/CodeMirror,TDaglis/CodeMirror,adobe/CodeMirror2,kuangyeheng/CodeMirror,vincentwoo/CodeMirror,elisee/CodeMirror,notepadqq/CodeMirror,hccampos/CodeMirror,shiren/CodeMirror,adobe/CodeMirror2,rasata/CodeMirror,Allenice/CodeMirror,nightwing/CodeMirror,ZombieHippie/CodeMirror,thomasjm/CodeMirror,NeZaMy/CodeMirror2,ashmind/CodeMirror,bluesh55/CodeMirror,ksanaforge/CodeMirror,camellhf/CodeMirror,matthewbauer/CodeMirror,tpphu/CodeMirror,thomasjm/CodeMirror,pinbe/CodeMirror,mightyguava/CodeMirror,djadmin/CodeMirror,mihailik/CodeMirror,jayaprabhakar/CodeMirror,djadmin/CodeMirror,Aliccer/CodeMirror,tpphu/CodeMirror,mightyguava/CodeMirror,apatawari/CodeMirror,Ermlab/CodeMirror,dperetti/CodeMirror,bocharsky-bw/CodeMirror,philuchansky/CodeMirror,INTELOGIE/CodeMirror,increpare/CodeMirror,antimatter15/CodeMirror,shiren/CodeMirror,ashmind/CodeMirror,NumbersInternational/CodeMirror,ssxxue/CodeMirror,qweasd1/CodeMirror,jessegrosjean/CodeMirror,cintiamh/CodeMirror,InternetGuru/CodeMirror,Icenium/CodeMirror,KamranMackey/CodeMirror,INTELOGIE/CodeMirror,djadmin/CodeMirror,karthikeyansam/CodeMirror,qiankun007/CodeMirror,karthikeyansam/CodeMirror,nawroth/CodeMirror,qiankun007/CodeMirror,jessegrosjean/CodeMirror,d0liver/CodeMirror,supriyantomaftuh/CodeMirror,increpare/CodeMirror,symbla/CodeMirror,karevn/CodeMirror,manderson23/CodeMirror,Aliccer/CodeMirror,hackmdio/CodeMirror,anthonygego/CodeMirror,r7kamura/CodeMirror,namin/CodeMirror,bfrohs/CodeMirror,nightwing/CodeMirror,agendor/CodeMirror,AlanWasTaken/codemirror,flyskyko/CodeMirror,crazy4chrissi/CodeMirror,amshali/CodeMirror,mtaran-google/CodeMirror,sanyaade-iot/CodeMirror,crazy4chrissi/CodeMirror,gkoberger/CodeMirror,happibum/CodeMirror-main,schanzer/CodeMirror,gkoberger/CodeMirror,wingify/CodeMirror,d0liver/CodeMirror,fmoliveira/CodeMirror,Jisuanke/CodeMirror,michaelerobertsjr/CodeMirror,qweasd1/CodeMirror,SidPresse/CodeMirror,kuangyeheng/CodeMirror,jkaplon/CodeMirror,bgrins/CodeMirror,kk9599/CodeMirror,sourcelair/CodeMirror,INTELOGIE/CodeMirror,dudb/CodeMirror,buchslava/CodeMirror,pinbe/CodeMirror,karthikeyansam/CodeMirror,pabloferz/CodeMirror,NumbersInternational/CodeMirror,jayaprabhakar/CodeMirror,hccampos/CodeMirror,grzegorzmazur/CodeMirror,NeZaMy/CodeMirror2,melpon/CodeMirror,sekcheong/CodeMirror,EasonYi/CodeMirror,codio/CodeMirror,nawroth/CodeMirror,AlanWasTaken/codemirror,michaelerobertsjr/CodeMirror,r7kamura/CodeMirror,apatawari/CodeMirror,flyskyko/CodeMirror,bocharsky-bw/CodeMirror,systay/CodeMirror,buchslava/CodeMirror,d0liver/CodeMirror,manderson23/CodeMirror,grzegorzmazur/CodeMirror,wingify/CodeMirror,ssxxue/CodeMirror,trumanliu/CodeMirror,KamranMackey/CodeMirror,hackmdio/CodeMirror,sekcheong/CodeMirror,ksanaforge/CodeMirror,mightyguava/CodeMirror,kk9599/CodeMirror,SidPresse/CodeMirror,bgrins/CodeMirror,symbla/CodeMirror,supriyantomaftuh/CodeMirror,melpon/CodeMirror,ashmind/CodeMirror,Dominator008/CodeMirror,dudb/CodeMirror,AlanWasTaken/codemirror,sanyaade-iot/CodeMirror,DustinH/CodeMirror,Jisuanke/CodeMirror,jessegrosjean/CodeMirror,kangkot/CodeMirror,karevn/CodeMirror,kangkot/CodeMirror