Weird margin issue around image container
Briefly

The issue with unexpected margins appearing beneath certain product thumbnails in a flexbox grid can often be attributed to CSS properties that influence vertical alignment or line-height. Despite having set all margins to zero and using display: block, images can render unpredictably due to inherent styles in CSS. It’s crucial to explore alignment settings within the flexbox properties and verify that no inherited styles are affecting the layout. Adjusting line-height and vertical alignment can help achieve a more consistent appearance across all images.
When using images within a flexbox grid, unexpected margins might originate from factors like line-height or vertical alignment that need adjustment.
Even if padding and margins are properly set to zero, images might still exhibit unexpected spacing due to properties tied to their default rendering in CSS.
To resolve inconsistencies in image alignment, consider controlling vertical alignment with properties like 'align-items' and ensuring no default line-height interferes with layout.
Inspecting the surrounding elements in developer tools can reveal hidden properties or inherited styles affecting how images are displayed in the grid.
Read at SitePoint Forums | Web Development & Design Community
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