Border around gauge card within custom vertical stack in

I’m having an issue re the borders around the gauge card that is used as horizontal stack within the custom vertical stack card. As horizontal stack card by itself, the gauge card has a thin border but that is not appearing when I use it within the custom vertical stack in card.

See the borders in this example
1

type: horizontal-stack
title: Speed Test
cards:
  - type: horizontal-stack
    cards:
      - type: gauge
        name: CPU Usuage
        unit: '%'
        entity: sensor.solar_today
        severity:
          green: 0
          yellow: 30
          red: 50
      - type: gauge
        name: Temp
        entity: sensor.solar_today
        severity:
          green: 0
          yellow: 40
          red: 50

and no borders :frowning:

type: custom:vertical-stack-in-card
cards:
  - type: entities
    title: One
    entities:
      - type: custom:slider-entity-row
        entity: light.light_1
        name: Showcase
        hide_when_off: true
        toggle: true
        secondary_info: last-changed
      - type: custom:slider-entity-row
        entity: light.wir_led_light
        name: WIR LED
        hide_when_off: true
        toggle: true
      - binary_sensor.zone_6
      - binary_sensor.zone_9
    state_color: true
  - show_name: true
    show_icon: true
    show_state: true
    type: custom:hui-glance-card
    title: Two
    entities:
      - light.light_1
      - light.light_1
      - sensor.solar_today
    state_color: true
  - type: horizontal-stack
    cards:
      - type: gauge
        name: CPU Usuage
        unit: '%'
        entity: sensor.solar_today
      - type: gauge
        name: Temp
        entity: sensor.solar_today
  - type: glance
    entities:
      - sensor.solar_today
      - sensor.solar_today
      - sensor.solar_total

Infact I would like to group entities with borders like this

type: custom:vertical-stack-in-card
cards:
  - type: entities
    entities:
      - light.light_1
      - type: custom:hui-glance-card
        entities:
          - light.light_1
          - light.light_1
          - sensor.solar_today
      - light.light_1
  - type: horizontal-stack
    cards:
      - type: gauge
        name: CPU Usuage
        unit: '%'
        entity: sensor.solar_today
        severity:
          green: 0
          yellow: 30
          red: 50
      - type: gauge
        name: Temp
        entity: sensor.solar_today
  - type: entities
    entities:
      - type: custom:hui-glance-card
        entities:
          - light.light_1
          - light.light_1
  - type: entities
    entities:
      - type: custom:hui-glance-card
        cards:
          - type: custom:hui-glance-card
        entities:
          - light.light_1

but again the gauge card has no borders. Any help with the code to fix this issue ?