parse error

[katsuhisa ogawa]

Hi there

I have got parse error for css file.

is it possible to support the css version 3?

[Fri Mar 20 12:14:04 2015] [warn] [client x.x.x.x] parse error in bootstrap.css near '[controls]) {\n display: none;\n height: 0;\n}\n[hidden],\ntemplate {\n display: no', entering failsafe mode

Best regards.