x/website: github icon in nav is not visible in dark-mode

[hyangah]

In "Get Connected" section

[mrwormhole]

how do you activate the dark mode? I can't see it on the go.dev?

[eutampieri]

There should be an option in your browser's web dev tools

[gopherbot]

Change https://go.dev/cl/450416 mentions this issue: _content/css: invert github css for dark theme