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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%
Unidades & Selectores
Teste os seus conhecimentos de unidades e selectores de CSS.
UnidadesCompletion percentage: 82.8% (9513)Completion percentage: 82.8% (9513)
Completion percentage: 82.8% (9513)
Completion percentage: 82.8% (9513)
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Qual destas unidades do CSS utilizou?
Elementos PseudoCompletion percentage: 81.9% (9408)Completion percentage: 81.9% (9408)
Completion percentage: 81.9% (9408)
Completion percentage: 81.9% (9408)
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Quais destes selectores CSS utilizou?
CombinadoresCompletion 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?
Estrutura de Árvore / DocumentoCompletion 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
AtributosCompletion 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?
InteracçãoCompletion 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?
Controlos de formulárioCompletion 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?