title: Dark Theme Demo
theme: dark
grid:
  columns: 4
  rows: 5
defaultSlot: main
slots:
  main:
    columnSpan: 4
    rowSpan: 3
    history: 20
    extensions: 50
  A:
    row: 3
    columnSpan: 2
    rowSpan: 2
    colorFilter: saturate(30%) contrast(400%) brightness(50%)
  B:
    row: 3
    column: 2
    columnSpan: 2
    rowSpan: 2
    extensions: 20