Shortcuts and dark color theme for LTspice.
Put LTspiceXVII.ini under %APPDATA%\Roaming\LTspiceXVII.ini (on Windows)/~/.config/ltspice/LTspiceXVII.ini (on Arch Linux) and replace LTspiceXVII by whatever version of LTspice you are using.
To just apply the color theme copy the [color] section from LTspiceXVII.ini only.
