Clicking a keyword, type, builtin or namespace method in a code sample is
supposed to open a summary card for it. The script that builds those cards
never went away; its stylesheet did.
The site redesign split item.css into base.css and docs.css and filed the card
chrome — .hovercard, .hc-*, .tok, .kind-badge — under docs.css. Only the four
reference page kinds link that file. The landing page links base.css and
site.css, so a click there appended an unstyled, position:static div to the end
of the document: built, filled with the right text, and invisible.
The card chrome now sits in base.css beside the .t-* token colours it belongs
with, which every page links. It is also position:fixed rather than absolute,
matching the viewport coordinates positionCard() reads out of
getBoundingClientRect() — absolute put the card an entire scroll offset away
from its token on any reference page read past the fold.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
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