Free positioned div gets unintentional margin

Free positioned div gets unintentional margin. Project https://studio.plasmic.app/projects/k5wi36LTCNmnJb5rh2sgis, page “IP: Join (NIU)”

We have a vertical stack with text elements, then a last free-positioned element to create a gradient effect on top of the text items. The gradient is positioned at 0,0 with width,height 100%, and no margin, however there is still margin … The top of the box should have been above “Specialty Teas” (image 2, 3). See the margin-top rule that I believe unintentionally applies to the element (image 4)

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