website/themes/hugo-theme-monochrome/exampleSite/content/en/layouts/blank/_index.md

title, bookcase_cover_src, bookcase_cover_src_dark, type

title	bookcase_cover_src	bookcase_cover_src_dark	type
Blank Layout	cover/coding.png	cover/coding_dark.png	bookcase

Sometimes, it's useful to fully control your section page, so I create a layout with only render the _index.md content and called this Blank Layout.

This layout can only be used on section page (_index.md).