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Description
A PR (#775) was submitted @abidmix suggesting the API thumbnail for st.sidebar was too abstract and should instead be a screenshot of an example sidebar.
All the container elements have this abstract, schematic look to consistently show the mostly invisible element that is a container, holding other visible elements.
Updating one thumbnail would be a project to update all container thumbnails to maintain consistency. This issue is to track the request and revisit as we routinely update the docs.