Unverified50% confidenceFactExact time
The Flexbox specification was stabilized in 2012, addressing the pain points of vertical centering and equal-height columns that existed in the era of float-based layouts.
1
Sources
50%
Confidence
Long-term
Relevance
8/13/2026
First Seen
Sources
CSS Subgrid实现卡片布局完美对齐教程
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