.Site.Author was deprecated in Hugo v0.124.0
remove nav if nothing to show
switch Liberation into fonts; skip poor fallbacks
clean up css default colors
unsatisfied with pre/code css appearance
tone down table row borders
improve styling for blockquotes in blockquotes
create the ytnc shortcode
squeeze code a tiny bit to fit 80 characters wide
Didn't fit in Firefox on Linux (Source Code Pro).
widen body to accomodate full code
decrease font size in katex
decrease line height of preformatted blocks
fix indentation of sub-blocks in lists