- type: horizontal-stack
            cards:
              - type: "custom:button-card"
                entity: media_player.panasonic_tv
                size: 30%
                icon: mdi:power
                style:
                  - font-size: 10px
                show_state: true
                state:
                - value: 'off'
                  color: red
                - value: 'on'
                  color: green