Postkasse custom button card

show_name: true
show_icon: true
type: custom:button-card
tap_action:
  action: toggle
entity: input_boolean.postkasse
state:
  - value: 'on'
    styles:
      card:
        - '-webkit-box-shadow': 0 0 0.95rem 0.2rem rgb(0, 128, 0)
        - box-shadow: 0 0 0.95rem 0.2rem rgb(0, 128, 0)
        - transition: all 2s ease
        - background-color: transparent
      icon:
        - color: green
        - animation: blink 2s ease infinite
  - value: 'off'
    styles:
      card:
        - background-color: transparent
      icon:
        - color: red