[ WIP #64] Support bootstrap 3.2.0 / Yeti
[WIP #64] Support bootstrap 3.2.0 / United
'transparent' conversion + Superhero
[WIP #64] Support bootstrap 3.2.0 / Spacelab
[WIP #64] Support bootstrap 3.2.0 / Slate
[WIP #64] Support bootstrap 3.2.0 / Simplex
[WIP #64] Support bootstrap 3.2.0 / Readable
[WIP #64] Support bootstrap 3.2.0 / Lumen
[WIP #64] Support bootstrap 3.2.0 / Journal
[WIP #64] Support bootstrap 3.2.0 / Flatly
[WIP #64] Support bootstrap 3.2.0 / Darkly
[WIP #64] Support bootstrap 3.2.0 / Cyborg
[WIP #64] Support bootstrap 3.2.0 / Cosmo
[WIP #64] Support bootstrap 3.2.0 / Cerulean
[WIP #64] Support bootstrap 3.2.9 / Amelia