Issue #1071818 by JeremyFrench, nod_, Cottser, gielfeldt, xjm, anthbel, reglogge, NROTC_Webmaster, kristofferwiklund, lliss, sun | sepgil: Fixed Lazy-loading CSS fails in IE.
Issue #1913958 by hass, YesCT: Fixed Bartik theme shouldn't change capitalization of translatable strings with CSS.