Reference index / 모션·전환·시각 효과
Fade In / Out
Changing opacity to make an element appear or disappear.
When to use it
Specifying motion, transitions, and visual effects.
Caveats and distinctions
Detailed behavior can differ across platforms and design systems despite identical names. Design keyboard, assistive-technology, and error behavior together.
Implementation and classification
모션·사운드 / 모션·전환·시각 효과
Sources and verification status
https://developer.mozilla.org/en-US/docs/Web/CSS/Reference
Source scope and verification status describe the existing catalog record. Publishing this page does not independently re-verify the latest library version, license, or production behavior.