Unread content, .ipsStream__time position: sticky; not hidden when other element is above it.

Hi,

When you have an item, with Past Hour -> for us called, Afgelopen uur.
En then you get the following item, today -> Vandaag.
Then the first element is not hidden behind the other elment, so stacking them.

Expected result is, that the other element get hidden.

On invision forum, they get behind it, with a full block. So it is not visable. Hover it should actually hide it as well.

For now i have made those element static again, so there not sticky and stay inview.