The per-app Updates tab's recessed panel used padding: 4px 16px, so the first
section (VERSION) sat 4px from the top edge — looking unpadded — while the last
section ended 20px from the bottom. Match the sibling .backup-snapshots-container
idiom (uniform 16px) and zero the first/last sections' outer padding so the
container's inset sets an even top/bottom margin.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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