The valuable "customCSS" should be lowercase.
The valuable "customCSS" should be lowercase.

I found out that "customCSS" in "hugo-future-imperfect/exampleSite/config.toml" was not loaded.
According to the below page, all params should be changed lowercase.
https://gohugo.io/templates/variables/

Hodgy/hugo-future-imperfect,jpescador/hugo-future-imperfect,statnmap/hugo-future-imperfect,pacollins/hugo-future-imperfect,Hodgy/hugo-future-imperfect,pacollins/hugo-future-imperfect,jpescador/hugo-future-imperfect,statnmap/hugo-future-imperfect