Set -ms-overflow-style:scrollbar to workaround apparent IE11+Edge @viewport bug
Set -ms-overflow-style:scrollbar to workaround apparent IE11+Edge @viewport bug

Closes #18543
stanwmusic/bootstrap,yuyokk/bootstrap,sealocal/bootstrap,Scoutski/bootstrap,davethegr8/bootstrap,TheFridayInstitute/bootstrap,Hemphill/bootstrap-docs,bardiharborow/bootstrap,creativewebjp/bootstrap,copperdesign/bootstrap,yuyokk/bootstrap,slavanga/bootstrap,9-chirno/chirno,gijsbotje/bootstrap,abvalentine/bootstrap,jipexu/bootstrap,tomlutzenberger/bootstrap,copperdesign/bootstrap,bardiharborow/bootstrap,janseliger/bootstrap,TheFridayInstitute/bootstrap,TheFridayInstitute/bootstrap,realcrowd/bootstrap,hebbet/bootstrap,inway/bootstrap,tagliala/bootstrap,seanwu99/bootstrap,frostbitten/bootstrap,bardiharborow/bootstrap,IdanCo/bootstrap,frostbitten/bootstrap,kvlsrg/bootstrap,9-chirno/chirno,bardiharborow/bootstrap,lipis/bootstrap,Hightrack/bootstrap,slavanga/bootstrap,vitaligent/4,vsn4ik/bootstrap,johnajacob/bootstrap,Hightrack/bootstrap,TheFridayInstitute/bootstrap,tibo66/bootstrap,inway/bootstrap,Hightrack/bootstrap,Lyricalz/bootstrap,yuyokk/bootstrap,hebbet/bootstrap,coliff/bootstrap,joblocal/bootstrap,peterblazejewicz/bootstrap,n054/bootstrap,Delagen/bootstrap,twbs/bootstrap,david-schopf/bootstrap,NCARB/bootstrap,frostbitten/bootstrap,Hemphill/bootstrap-docs,tibo66/bootstrap,blockstack/blockstack-bootstrap,fschumann1211/bootstrap,wesamco/bootstrap-rtl,supergibbs/bootstrap,davethegr8/bootstrap,bootstrapbrasil/bootstrap,9-chirno/chirno,creativewebjp/bootstrap,gijsbotje/bootstrap,zalog/bootstrap,david-schopf/bootstrap,realcrowd/bootstrap,Delagen/bootstrap,tagliala/bootstrap,Delagen/bootstrap,joblocal/bootstrap,fschumann1211/bootstrap,davethegr8/bootstrap,fschumann1211/bootstrap,GerHobbelt/bootstrap,Lyricalz/bootstrap,igoynawamreh/bootstrap,copperdesign/bootstrap,nice-fungal/bootstrap,nice-fungal/bootstrap,tjkohli/bootstrap,stanwmusic/bootstrap,wesamco/bootstrap-rtl,nice-fungal/bootstrap,tibo66/bootstrap,slavanga/bootstrap,tjkohli/bootstrap,kvlsrg/bootstrap,lemuelbarango/bootstrap,bootstrapbrasil/bootstrap,NCARB/bootstrap,bootstrapbrasil/bootstrap,IdanCo/bootstrap,kvlsrg/bootstrap,wesamco/bootstrap-rtl,NCARB/bootstrap,n054/bootstrap,fschumann1211/bootstrap,IdanCo/bootstrap,janseliger/bootstrap,hebbet/bootstrap,xt0rted/bootstrap,JumpLinkNetwork/bootstrap-backward,xt0rted/bootstrap,SweetProcess/bootstrap,IdanCo/bootstrap,david-schopf/bootstrap,frostbitten/bootstrap,johnajacob/bootstrap,xt0rted/bootstrap,Scoutski/bootstrap,jipexu/bootstrap,blockstack/blockstack-bootstrap,sealocal/bootstrap,inway/bootstrap,twbs/bootstrap,seanwu99/bootstrap,onenameio/rhythm-bootstrap,vsn4ik/bootstrap,coliff/bootstrap,tibo66/bootstrap,n054/bootstrap,gijsbotje/bootstrap,vitaligent/4,stanwmusic/bootstrap,m5o/bootstrap,edanbarak/bootstrap,tagliala/bootstrap,jipexu/bootstrap,yuyokk/bootstrap,onenameio/rhythm-bootstrap,janseliger/bootstrap,zalog/bootstrap,Hemphill/bootstrap-docs,Lyricalz/bootstrap,edanbarak/bootstrap,joblocal/bootstrap,Lyricalz/bootstrap,9-chirno/chirno,wesamco/bootstrap-rtl,JumpLinkNetwork/bootstrap-backward,realcrowd/bootstrap,vsn4ik/bootstrap,edanbarak/bootstrap,vsn4ik/bootstrap,igoynawamreh/bootstrap,igoynawamreh/bootstrap,afuno/bootstrap,lipis/bootstrap,joblocal/bootstrap,xt0rted/bootstrap,afuno/bootstrap,JumpLinkNetwork/bootstrap-backward,sealocal/bootstrap,lipis/bootstrap,slavanga/bootstrap,NCARB/bootstrap,sealocal/bootstrap,m5o/bootstrap,stanwmusic/bootstrap,supergibbs/bootstrap,abvalentine/bootstrap,igoynawamreh/bootstrap,onenameio/rhythm-bootstrap,jipexu/bootstrap,lipis/bootstrap,abvalentine/bootstrap,andresgalante/bootstrap,andresgalante/bootstrap,afuno/bootstrap,GerHobbelt/bootstrap,JumpLinkNetwork/bootstrap-backward,realcrowd/bootstrap,zalog/bootstrap,Hemphill/bootstrap-docs,hebbet/bootstrap,creativewebjp/bootstrap,peterblazejewicz/bootstrap,Delagen/bootstrap,Scoutski/bootstrap,abvalentine/bootstrap,n054/bootstrap,GerHobbelt/bootstrap,peterblazejewicz/bootstrap,edanbarak/bootstrap,lemuelbarango/bootstrap,tomlutzenberger/bootstrap,tomlutzenberger/bootstrap,davethegr8/bootstrap,supergibbs/bootstrap,lemuelbarango/bootstrap,lemuelbarango/bootstrap,seanwu99/bootstrap,blockstack/blockstack-bootstrap,creativewebjp/bootstrap,andresgalante/bootstrap,seanwu99/bootstrap,SweetProcess/bootstrap,johnajacob/bootstrap,SweetProcess/bootstrap,afuno/bootstrap,supergibbs/bootstrap,Scoutski/bootstrap,copperdesign/bootstrap,janseliger/bootstrap,SweetProcess/bootstrap,gijsbotje/bootstrap,vitaligent/4,andresgalante/bootstrap,johnajacob/bootstrap