The color behind transparent areas (JPEG has no alpha).
Scale applied to the element's own size, so the longest edge is at most DomFrameCaptureOptions.MaxEdgePx.
JPEG quality, 0 to 1.
Skip embedding web fonts: they add seconds and cross-origin failures, and the model does not need the typeface.
The options this module passes to a DomRasterizer (a subset of
html-to-image's own).