_variables.scss comments/spacing consistency (#27247)
_variables.scss comments/spacing consistency (#27247)

* style: `_variables.scss` comments consistency

* style: `_variables.scss` spacing consistency

twbs/bootstrap,gijsbotje/bootstrap,peterblazejewicz/bootstrap,zalog/bootstrap,inway/bootstrap,gijsbotje/bootstrap,kvlsrg/bootstrap,yuyokk/bootstrap,nice-fungal/bootstrap,tjkohli/bootstrap,bardiharborow/bootstrap,tagliala/bootstrap,fschumann1211/bootstrap,bardiharborow/bootstrap,inway/bootstrap,stanwmusic/bootstrap,tagliala/bootstrap,peterblazejewicz/bootstrap,twbs/bootstrap,stanwmusic/bootstrap,kvlsrg/bootstrap,fschumann1211/bootstrap,coliff/bootstrap,kvlsrg/bootstrap,stanwmusic/bootstrap,bardiharborow/bootstrap,coliff/bootstrap,m5o/bootstrap,tjkohli/bootstrap,fschumann1211/bootstrap,yuyokk/bootstrap,zalog/bootstrap,inway/bootstrap,GerHobbelt/bootstrap,GerHobbelt/bootstrap,yuyokk/bootstrap,gijsbotje/bootstrap,m5o/bootstrap,GerHobbelt/bootstrap,peterblazejewicz/bootstrap,gijsbotje/bootstrap,stanwmusic/bootstrap,nice-fungal/bootstrap,fschumann1211/bootstrap,tagliala/bootstrap,bardiharborow/bootstrap,nice-fungal/bootstrap,zalog/bootstrap,yuyokk/bootstrap