hope to have more UI themes to choise

i am choosing a tool chain for generating static site for asciidoctor, and i already use it a lot.

i hope to generate a static site like the following style：

https://www.cloudera.com/documentation/enterprise/6/6.0/topics/cm_intro_primer.html

https://docs.cask.co/cdap/5.0.0/en/developer-manual/getting-started/quick-start.html

antora is a great step to generate static site for asciidoctor, bug it's component choose seems like hide in there menu.saveimg.savepath20181012095212

is there someone can help make a ui theme like the above 2 style, or other tools to use? what about https://nanoc.ws/ jekyll for asciidoctor plugin