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Completion percentage: 78%
Completion percentage: 78%
Completion percentage: 44%
Completion percentage: 44%
Completion percentage: 58%
Completion percentage: 58%
Completion percentage: 82%
Completion percentage: 82%
Completion percentage: 18%
Completion percentage: 18%
Completion percentage: 67%
Completion percentage: 67%
Completion percentage: 82%
Completion percentage: 82%
Completion percentage: 16%
Completion percentage: 16%
Completion percentage: 42%
Completion percentage: 42%
Completion percentage: 38%
Completion percentage: 38%
Completion percentage: 86%
Completion percentage: 86%
Completion percentage: 81%
Completion percentage: 81%
Completion percentage: 35%
Completion percentage: 35%
Completion percentage: 64%
Completion percentage: 64%
Completion percentage: 37%
Completion percentage: 37%
Completion percentage: 75%
Completion percentage: 75%
Completion percentage: 72%
Completion percentage: 72%
Completion percentage: 71%
Completion percentage: 71%
Completion percentage: 72%
Completion percentage: 72%
Completion percentage: 77%
Completion percentage: 77%
Completion percentage: 79%
Completion percentage: 79%
Unità / Selettori
Testa la tua conoscenza in unità e selettori CSSTest.
Unità di misuraCompletion percentage: 82.8% (9513)Completion percentage: 82.8% (9513)
Completion percentage: 82.8% (9513)
Completion percentage: 82.8% (9513)
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Quali di queste unità di misura CSS hai usato?
Pseudo ElementiCompletion percentage: 81.9% (9408)Completion percentage: 81.9% (9408)
Completion percentage: 81.9% (9408)
Completion percentage: 81.9% (9408)
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Quali di questi pseudo elementi CSS hai usato?
CombinatoriCompletion 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?
Struttura ad albero della paginaCompletion 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
AttributiCompletion 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?
Link/URLCompletion 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?
InterazioniCompletion 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?
Controllo formCompletion 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?