OptionaldarkLogo mark for dark surfaces -> --mj-logo-mark (dark mode). Enables the mode swap.
OptionalheightHeader mark box height in px -> --mj-logo-height.
OptionallightLogo mark for light surfaces -> --mj-logo-mark (light mode).
OptionalmonochromeSingle-fill monochrome variant -> --mj-logo-mono.
OptionalwidthHeader mark box width in px -> --mj-logo-width.
OptionalwordmarkFull wordmark -> --mj-logo-wordmark.
A theme's logo variant URLs + header geometry, for overlay emission (16.6).