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Completion percentage: 46%
Completion percentage: 46%
Completion percentage: 60%
Completion percentage: 60%
Completion percentage: 67%
Completion percentage: 67%
Completion percentage: 18%
Completion percentage: 18%
Completion percentage: 42%
Completion percentage: 42%
Completion percentage: 16%
Completion percentage: 16%
Completion percentage: 44%
Completion percentage: 44%
Completion percentage: 39%
Completion percentage: 39%
Completion percentage: 84%
Completion percentage: 84%
Completion percentage: 84%
Completion percentage: 84%
Completion percentage: 37%
Completion percentage: 37%
Completion percentage: 66%
Completion percentage: 66%
Completion percentage: 39%
Completion percentage: 39%
Completion percentage: 51%
Completion percentage: 51%
Completion percentage: 73%
Completion percentage: 73%
Completion percentage: 36%
Completion percentage: 36%
Unités et Sélecteurs
Testez vos connaissances des unités CSS et des sélecteurs
UnitésCompletion percentage: 82.8% (9513)Completion percentage: 82.8% (9513)
Completion percentage: 82.8% (9513)
Completion percentage: 82.8% (9513)
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Lesquels de ces unités avez-vous utilisé ?
Pseudo ÉlémentsCompletion percentage: 81.9% (9408)Completion percentage: 81.9% (9408)
Completion percentage: 81.9% (9408)
Completion percentage: 81.9% (9408)
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Lequel de ces pseudo-éléments CSS avez-vous utilisé ?
CombinaisonsCompletion percentage: 81.8% (9398)Completion percentage: 81.8% (9398)
Completion percentage: 81.8% (9398)
Completion percentage: 81.8% (9398)
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Which of these combinations CSS selectors have you used?
Hiérarchie / Structure de documentCompletion percentage: 81.8% (9396)Completion percentage: 81.8% (9396)
Completion percentage: 81.8% (9396)
Completion percentage: 81.8% (9396)
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Which of these structure related CSS selectors have you used?
We asked members of the CSS community to share their “pick of the year”
My 2020 Pick: Content-Visibility
content-visibility is making a huge difference in the performance of my web apps already, but at the same time I think it should be the job of browsers to optimize this, not devs.
We asked members of the CSS community to share their “pick of the year”
Kilian Valkhof
Web developer and creator of Polypane
AttributsCompletion percentage: 74.9% (8608)Completion percentage: 74.9% (8608)
Completion percentage: 74.9% (8608)
Completion percentage: 74.9% (8608)
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Which of these CSS attributes selectors have you used?
Links/URLsCompletion percentage: 65.8% (7557)Completion percentage: 65.8% (7557)
Completion percentage: 65.8% (7557)
Completion percentage: 65.8% (7557)
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Which of these links & URLs related CSS selectors have you used?
InteractionCompletion percentage: 82.6% (9489)Completion percentage: 82.6% (9489)
Completion percentage: 82.6% (9489)
Completion percentage: 82.6% (9489)
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Which of these interaction CSS selectors have you used?
Form ControlsCompletion percentage: 74.5% (8559)Completion percentage: 74.5% (8559)
Completion percentage: 74.5% (8559)
Completion percentage: 74.5% (8559)
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Which of these form related CSS selectors have you used?