How can I add horizontal margins on the sides of a teams section?

https://conch-endive-c8y4.squarespace.com/ Password is zikos

Team section in question is on the A propos page, at the very bottom.

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Hi! The "teams" section, even in insert mode, takes up the whole width of the page and it's especially jarring on mobile, for example how close to the edge the title "les professeurs" is.

In the options I see that I can set vertical margins within it, but no horizontal ones.

How can I add space on both sides? Thank you.

I've attached a screenshot of the spacing I'm normally comfortable with (light green section) : I use two grid squares on both sides ; and a screenshot of the teams section in comparison.

Interestingly, if I look at that page on computer, "les professeurs" is aligned with everything I've typed above, but not on mobile.

@Lesum that worked perfectly, thank you so much!! saved me quite a bit of a headache 🙂