Unverified50% confidenceFactExact time
CSS锚点定位允许一个元素锚定到另一个元素进行相对定位，无论两者在DOM树中是否存在父子关系
1
Sources
50%
Confidence
Long-term
Relevance
7/11/2026
First Seen
Sources
Pure CSS Popovers: A Native Approach Without JavaScript
youtubeKevin Powell7/1/2026
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