options:
  atmosphere:
    lightmode: Light mode
    darkmode: Dark mode
    _default: lightmode

  performance:
    heavy: Heavy
    lightweight: Lightweight
    _default: heavy

themes:
- name: Plain
  file: plain
  type: static
  options: [atmosphere]

# Seasonal themes
- name: Halloween
  file: halloween
  type: seasonal
  start: 24/10
  end:    1/11

- name: Sinterklaas
  file: sinterklaas
  type: seasonal
  start: 28/11
  end:    5/12

- name: Christmas
  file: christmas
  type: seasonal
  start: 6/12
  end:   6/01
  options: [performance]