e.config.styles?.includes is not a function

[Symbiot78]

Describe the bug

bubblecard shows the buttons then after 2-3 seconds it throws an error:

e.config.styles?.includes is not a function

To Reproduce
no idea..

Expected behavior
no error

Screenshots

YAML
If applicable, add any relevant YAML code.

                                     - type: custom:bubble-card
                                        card_type: cover
                                        entity: cover.ka_alkove
                                        show_state: true
                                        name: Alkove
                                        open_service: cover.open_cover
                                        stop_service: cover.stop_cover
                                        close_service: script.curtain_alkove_luk
                                        styles:
                                          card:
                                            - background-color: var(--card-background-color)
                                            - color: var(--primary-foreground-color)
                                            - border-radius: 10px

Informations (please complete the following information):

• OS: ios, windows
• Browser/App: opera, app, chrome
• Bubble Card version: 2.3.4
• Home Assistant version: 2025.1.2

Additional context
restart tried, checked other cards.. only bubblecard throwing this error.
started.... yesterday.. nothing changed or updated.

[Clooos]

Hi! This is because of your styles, your are not using the right syntax. Take a look at the Styling section in the documentation.

[Clooos]

Can you confirm if it solved your issue?