Keymap documentation has insufficient contrast when printed

[jhbrown94]

When printing the documentation at https://docs.helix-editor.com/print.html using the printer icon in the upper right, the keymap keys have inadequate contrast. You can see a bit of it in this screenshot of the generated PDF, but the contrast is much lower/worse when actually printed on paper using a typical laserprinter (I have tried a Canon and an HP). It would be great to get the key names and command bindings to show up better.

[jhbrown94]

Also -- some, but not all, material in the dark-background-boxes changes print-presentation depending on selected display theme. For instance, with the "light" theme selected, printed Register information disappears entirely: