🔹 Layout-card - Take control of where your cards end up

Using type: custom:mod-card is one method

type: custom:mod-card
card:
   type: custom:layout-card
   layout_type: custom:grid-layout
   layout:
    grid-template-columns: 1fr 1fr 1fr
   cards:
    - type: entities
      entities:
        - entity: xxxxxx
       
card_mod:
  style: |
    ha-card {
     border: 2px solid red;}