Problems with pop up card _Help

I created a button called updates however I wanted to when I press that card I have to open a new card with the information I want I have been trying but without success when I press a white bar appears it does not open the card I want, could anyone help me I am not feel free to do this as you are a beginner.

type: horizontal-stack
cards:
  - type: custom:mushroom-template-card
    primary: Updates
    secondary: ""
    icon: mdi:home-assistant
    icon_color: blue
    tap_action:
      action: fire-dom-event
      browser_mod:
        service: browser_mod.popup
        data:
          card_mod:
            sytle:
              .: null
          content: null
          cards:
            - type: custom:mushroom-title-card
              title: Home Assistant Server
              subtitle: >
                Core v{{ state_attr('update.home_assistant_core_update',
                'installed_version') }} - OS v{{
                states('sensor.home_assistant_operating_system_version') }} -
                Supervisor v{{
                state_attr('update.home_assistant_supervisor_update',
                'installed_version') }}
            - type: custom:mushroom-chips-card
              chips:
                - type: entity
                  entity: sensor.processor_use
                  icon_color: orange
                - type: entity
                  entity: sensor.processor_use
                  icon_color: blue
                - type: entity
                  entity: sensor.memory_use_percent
                  icon_color: orange
                - type: entity
                  entity: sensor.disk_use_percent_config
                  icon_color: deep-purple
                - type: entity
                  entity: sensor.disk_use
                  icon_color: green
            - type: horizontal-stack
              cards:
                - type: custom:mushroom-update-card
                  entity: update.home_assistant_core_update
                  name: HA Core
                  show_buttons_control: true
                  icon_type: entity-picture
                - type: custom:mushroom-template-card
                  primary: Version Information
                  secondary: >-
                    Installed v{{
                    state_attr('update.home_assistant_core_update',
                    'installed_version')}}

                    Latest v{{ state_attr('update.home_assistant_core_update',
                    'latest_version')}}
                  icon: mdi:package-variant-closed
                  multiline_secondary: true
                  fill_container: true
                  entity: update.home_assistant_core_update
                  tap_action:
                    action: more-info
                  icon_color: |-
                    {% if is_state('update.home_assistant_core_update', 'on') %}
                      orange
                    {% else %}
                      green
                    {% endif %}
                  badge_color: |-
                    {% if is_state('update.home_assistant_core_update', 'on') %}
                      red
                    {% else %}
                      blue
                    {% endif %}
                  badge_icon: |-
                    {% if is_state('update.home_assistant_core_update', 'on') %}
                      mdi:help
                    {% else %}
                      mdi:check-bold
                    {% endif %}
            - type: horizontal-stack
              cards:
                - type: custom:mushroom-update-card
                  entity: update.home_assistant_operating_system_update
                  name: HA OS
                  show_buttons_control: true
                  icon_type: entity-picture
                - type: custom:mushroom-template-card
                  primary: Version Information
                  secondary: >-
                    Installed v{{
                    states('sensor.home_assistant_operating_system_version')}}

                    Latest v{{
                    states('sensor.home_assistant_operating_system_newest_version')}}
                  icon: mdi:package-variant-closed
                  multiline_secondary: true
                  fill_container: true
                  entity: update.home_assistant_operating_system_update
                  tap_action:
                    action: more-info
                  icon_color: >-
                    {% if
                    is_state('update.home_assistant_operating_system_update',
                    'on') %}
                      orange
                    {% else %}
                      green
                    {% endif %}
                  badge_color: >-
                    {% if
                    is_state('update.home_assistant_operating_system_update',
                    'on') %}
                      red
                    {% else %}
                      blue
                    {% endif %}
                  badge_icon: >-
                    {% if
                    is_state('update.home_assistant_operating_system_update',
                    'on') %}
                      mdi:help
                    {% else %}
                      mdi:check-bold
                    {% endif %}
            - type: horizontal-stack
              cards:
                - type: custom:mushroom-update-card
                  entity: update.home_assistant_supervisor_update
                  name: HA Supervisor
                  show_buttons_control: true
                  icon_type: entity-picture
                - type: custom:mushroom-template-card
                  primary: Version Information
                  secondary: >-
                    Installed v{{
                    state_attr('update.home_assistant_supervisor_update',
                    'installed_version')}}

                    Latest v{{
                    state_attr('update.home_assistant_supervisor_update',
                    'latest_version')}}
                  icon: mdi:package-variant-closed
                  multiline_secondary: true
                  fill_container: true
                  entity: update.home_assistant_core_update
                  tap_action:
                    action: more-info
                  icon_color: >-
                    {% if is_state('update.home_assistant_supervisor_update',
                    'on') %}
                      orange
                    {% else %}
                      green
                    {% endif %}
                  badge_color: >-
                    {% if is_state('update.home_assistant_supervisor_update',
                    'on') %}
                      red
                    {% else %}
                      blue
                    {% endif %}
                  badge_icon: >-
                    {% if is_state('update.home_assistant_supervisor_update',
                    'on') %}
                      mdi:help
                    {% else %}
                      mdi:check-bold
                    {% endif %}
    card_mod:
      style: |
        ha-card {
        --ha-card-background: transparent; 
        }

image