“W3C”

Digital Publishing WAI-ARIA Module 1.0

Digital Publishing WAI-ARIA Module 1.0 Enabling users of assistive technologies to find their way through Web content requires embedding semantic metadata about Web document structural divisions. This is particularly important for structural divisions of long-form documents and goes along with embedding semantic metadata about Web-application widgets and behaviors for assistive technologies. This specification defines a set of WAI-ARIA roles specific to helping users of assistive technologies navigate through such long-form documents.

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Canvas ArcTo Tutorial

Using canvas to draw rectangles with curved borders

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UI Events

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CSS Selectors Level 4

specificity rules

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CSS Values and Units Module Level 3

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CSS Snapshot 2017

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HTML Global Attributes

The following attributes are supported by all HTML elements.

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Internationalization Activity Blog

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Learning CSS

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CSS Intrinsic & Extrinsic Sizing Module Level 3

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