Using system font stack provides better reading experience on wider
range of operating systems and languages combinations.
Adding `fontFamilyBase` variable to easier update and clarify usage.
Bug: T175877
Change-Id: Id00fbe7ca90a3b31524c618de4441c413fe4afbe
A `.content-header` is often placed inside a `.content` div,
so this selector causes a 90% width on a container element as well as
it's child element, which is probably undesirable.
Bug: T210745
Change-Id: Ib559db66a513537127ad543cb54a119af8ebf8df
This module is unnecessary - it's loaded unconditionally on a page.
Instead bundle the related CSS inside skins.minerva.content.styles
Change-Id: Ieb37d63332ff5b0cf39835b64cc9f0dcaf62c34f