The theme used for syntax hilighting has a number of colors that
do not meet the 4.5:1 minimum contrast ratio of the Web Content
Accessibility Guidelines (WCAG) 2.1 standard.
All colors that were below 4.5:1 on a background of #eeeeee have
been adjusted to be at or slightly above 4.5:1 using tweaked
versions of the tools in this repository:
https://github.com/mpchadwick/pygments-high-contrast-stylesheets/
Adds dark mode classes using the @media query `prefers-color-scheme`. Also adds a dark color scheme for code highlighting to make code snippets more readable.
[ci skip] Adds Dark Mode to Rails Guides
Adds dark mode classes using the @media query `prefers-color-scheme`. Also adds a dark color scheme for code highlighting to make code snippets more readable.
