The linked website's CSS is unusably broken (at least in Chrome on Android): most of the text in example code snippets is white-on-white, thus invisible; and re

The linked website's CSS is unusably broken (at least in Chrome on Android): most of the text in example code snippets is white-on-white, thus invisible; and remains white-on-white even if selected. Fortunately, there is a toggle to change theme in the upper right corner which at least makes things readable.