v0 - Fake Multilevel dropdown menu with simple HTML and CSS

Menu 0.1
- Menu 1.1
- Menu 1.2
  - Menu 1.2.1
  - Menu 1.2.2
    - Menu 1.2.2.1
    - Menu 1.2.2.2
  - Menu 1.2.3
  - Menu 1.2.4
- Menu 1.3
Menu 0.2
Menu 0.3
Menu 0.4