Remove -ms-box-sizing and -o-box-sizing.
Remove -ms-box-sizing and -o-box-sizing.

Both IE and Opera supported the nonprefixed box-sizing property since they implemented it.

setie/bourbon,Jazz-Man/bourbon,Jazz-Man/bourbon,san650/bourbon,jamesmenera/bourbon-libsass,nickg33/bourbon,jamadam/bourbon-docs-jp,ismarkunc/bourbon,nagyistoce/sass-bourbon.io,mindeavor/bourbon,smithdamen/bourbon,jasonwalkow/bourbon,greyhwndz/bourbon,jasonwalkow/bourbon,greyhwndz/bourbon,thoughtbot/bourbon,cllns/bourbon,zyj1022/bourbon,zyj1022/bourbon,jamadam/bourbon-docs-jp,Nikeshsuwal/bourbon,craftsmen/bourbon,craftsmen/bourbon,thoughtbot/bourbon,smithdamen/bourbon,nickg33/bourbon,jamesmenera/bourbon-libsass,setie/bourbon,mindeavor/bourbon,chriseppstein/bourbon,jamadam/bourbon-docs-jp,chriseppstein/bourbon,jamadam/bourbon-docs-jp