Brian, home.yaml

title: Home
panel: true
cards:
  - type: custom:layout-card
    layout: vertical
    column_num: 1
    max_columns: 3
    max_width: [33%,33%,33%]
    cards:
      - !include cards/weather.yaml
      - !include cards/monitor-vent.yaml
      - !include cards/stue.yaml
      - break