Literally just a pretty custom theme, for the Notable note-taking app.
Notable currently has a bug about which note is marked as active in the sidebar. This causes the wrong note to be selected. bumblebee-theme.js fixes this bug.
This uses custom CSS rather than the theme system, so you need to copy-paste the contents of the files into File -> Preferences -> Custom CSS/JS. There are two files:
bumblebee-theme.css-> Custom CSSbumblebee-theme.js-> Custom JS