pub fn font_face_css(base_url: &str) -> StringExpand description
The @font-face rules for both slots, fetching from base_url.
base_url is the directory the consumer serves its fonts from, without a
trailing slash: /static/fonts on the MNW server, fonts for a Tauri
frontend loading relative to its index.
§font-weight: 200 800, which is the part that bites
Both faces are variable over wght 200-800 in one file, and the mono
face’s default instance is ExtraLight — that is upstream Atkinson’s
default and the cut keeps the axis rather than pinning a master, so a
consumer that loads the file and takes what it opens at draws its whole UI
at 200. Declaring the range here is what makes the browser resolve normal
to 400 and bold to 700 instead. shop hit the same trap from the other
side and names wght 400 explicitly in its shaper; this is the web’s
version of that fix, stated once for every consumer.
font-display: swap on both: the faces are 31KB and 50KB, they are cached
hard after the first paint, and a flash of the fallback beats invisible
text either way.