_config.yml

highlighter: true
permalink: "/:title"

## Hekyll Configuration ##
theme: "hekyll" # add the name of a theme. Your theme's name should also be the name of the css file. (e.g. "hekyll" will be /css/themes/hekyll/hekyll.css).

simple-slideshow: false  # true/false -- when enabled, slide positioning is ignored and a simple cross-fade will be used to transition between slides.

overview: true # true/false -- enabling this will add an overview slide at the end of the presentation. The overview slide will not display if simple-slideshow, above, is enabled.
overview-data:
  x: 1000  # integer -- set this to the center x point of the overview slide, usually the center of your slide canvas area
  y: 1000  # integer -- set this to the center y point of the overview slide, usually the center of your slide canvas area
  scale: 10  # integer -- set the scale of the overview slide, usually far enough back to fit everything in view