Automatically adjust colour scheme for "dark mode". Playing around a bit, let's try to respect "dark" mode in firefox and support automatically switching colour scheme accordingly. We convert all colour references in the stylesheet to new SASS mixins that will generate rules to adapt to the correct colour scheme. The selection is done using CSS variables that should gracefully degrade to the original (light) colours.
Let's start a blog! Since I wrote this diatribe on fancy styles for HTML tables maybe it's about time I actually went ahead and pushed it to the actual website.