In modern browsers, prevent breadcrumb separator from getting underlined on :hover when not using <ol> markup
In modern browsers, prevent breadcrumb separator from getting underlined on :hover when not using <ol> markup

Fixes #18733, except in IE9-11
Closes #18740

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