Container negative margin issue

Hello everyone,

I’m new to Webflow and I’m trying to get a grasp on how containers function. As illustrated in the attached picture, there’s a negative margin that seems unmodifiable. Interestingly, when I move my div block outside of the container, everything appears to be in order.

https://discourse.webflow.com/t/how-to-enable-a-webflow-share-link/2573/18