Made possible thanks to Pulseh
Continued by Mr. late, Shazam, somini, Black4Blade
Tweaked for Linux by BangL
The SteamVR button is hidden while a solution is found. Check out issue #43 for discussion
The skin requires a set of fonts installed on your system, of the SegoeWP family. You can download them here.
It should have the following sha256sum:
03d0211ee8f3a5d060b7e664ce046a43c78e637809c8fff0fd30449216de59b3 fonts-linux.tar.gz