Minimal, extremely simple, paper-liked theme. All top bars and sidebars do not exist by default.
Here’s the default _config.yml. The relevant description has been placed in the comments.
# things you want to let guest know
descriptions: "The darkest hour is just before the dawn."
# add menu items if you want
# make sure you have generated the pages before
menu:
# recommended configuration of hightlight
highlight:
enable: true
line_number: false
auto_detect: false
tab_replace: ''
wrap: false
hljs: true
prismjs:
enable: false
preprocess: true
line_number: true
tab_replace: ''