Struggling to make full width page with free version of Astra + Gutenberg

I am using gutenberg blocks with Astra free version theme to make a simple top and left side menu pattern (template) but although I set every block to adjust to full width it doesn¡t work. I’ve tried different css solutions via CHATGPT but doesn’t work.

Someone helps me please?

https://preview.redd.it/b6w1izdl3i9d1.jpg?width=1843&format=pjpg&auto=webp&s=7eb04ebff10da23e8a16e33ee7a0abb231126d22

 

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