ha_card background for battery

card_mod:
  style: |
    ha-card {
      background-image: linear-gradient(0deg, rgb(0,255,0,0.3) {{ states('sensor.fridge_power')|float(0)|int }}%, rgb(255,0,0,0.4) 1%);
      background-size: {% if states('sensor.fridge_power')|float() > 20 %} 10% 25% {% else %} 40% 100% {% endif %};
      background-repeat: no-repeat;
      background-position: {% if states('sensor.fridge_power')|float() > 20 %} right 5px top 5px {% else %} right top {% endif %};


      background-color:
        {% if states('sensor.fridge_aq9_temperature')|float(0) > 3.5 %} #660000
          {% elif states('sensor.fridge_aq9_temperature')|float(0) < 0 %} #660000
        {% endif %};
    }