Streamlit sidebar width

Hello,

Would it be possible to decrease the sidebar width in a Streamlit app in a Space?
Multipage Streamlit apps were introduced recently (Introducing multipage apps! 📄) but the sidebar takes around 1/3rd of the screen in Spaces (see Sidebar Demo - a Hugging Face Space by alvarocjob). If I run the Streamlit app locally it takes around 20% of the screen.

Also, would it be possible to collapse the sidebar in Spaces as I can locally?

Thanks,

Alvaro

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