CSS align-items property
https://www.w3schools.com/cssref/css3_pr_align-items.php
Center the alignments for all the items of the flexible <div> element: In a flexbox container, the flexbox items are aligned on the cross axis, which is vertical by default (opposite of flex-direction). In a grid container, the grid items are aligned in the block direction. For pages in English, block direction is downward and inline direction is left to right.
In a flexbox container, the flexbox items are aligned on the cross axis, which is vertical by default (opposite of flex-direction).
In a grid container, the grid items are aligned in the block direction. For pages in English, block direction is downward and inline direction is left to right.
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