- change max-width to apply ti all tabs instead of just forms
- use monospace font for buttons and labels
- add tiny 2px border radius to buttons and prepare bottombar
- changed private-key input to type password
- added toggle to show private-key
- added key-generated, key-saved success messages
- changed global font size
- upadted colors (especially light mode)
- unsubscribe after a few messages for testing