🔹 Card-mod - Add css styles to any lovelace card

[Ildar_Gabdullin]

Don’t you see that the “card-header” is inside shadowRoot?

code

type: custom:stack-in-card
title: xxxxxxxxxxxxxxxxxxx
cards:
  - type: entities
    entities:
      - entity: sun.sun
  - show_state: false
    show_name: true
    type: picture-entity
    entity: sun.sun
    image: /local/images/test/ishimura.png
card_mod:
  style:
    $: |
      .card-header {
        background: cyan;
      }