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  1. 79 votes
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    on the backlog  ·  0 comments  ·  Document Object Model (DOM)  ·  Flag idea as inappropriate…  ·  Admin →
  2. background-blend-mode

    Provides a way to blend background images, colors, and gradients together.

    2,034 votes
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    39 comments  ·  CSS  ·  Flag idea as inappropriate…  ·  Admin →
  3. Add Support for Scrollbar Styling

    Add support for scrollbar styling, similar to the earlier properties supported in Internet Explorer (i.e. scrollbar-base-color, etc)

    1,952 votes
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    53 comments  ·  CSS  ·  Flag idea as inappropriate…  ·  Admin →
  4. :has()

    https://drafts.csswg.org/selectors/#relational

    The relational pseudo-class, ‘:has()#’, is a functional pseudo-class taking a relative selector list as an argument. It represents an element if any of the relative selectors, when absolutized and evaluated with the element as the :scope elements, would match at least one element.

    1,433 votes
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    8 comments  ·  CSS  ·  Flag idea as inappropriate…  ·  Admin →
  5. CSS attr() as defined in CSS Values Level 3

    Allows attr() to be used in any CSS rule (not just generated content), any CSS property (not just content) and for various data types.

    Spec: http://www.w3.org/TR/css3-values/#attr-notation

    This will revolutionize what we can do with CSS and enable a kind of decoupling between content and styling that has never been possible before.

    2,015 votes
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    10 comments  ·  CSS  ·  Flag idea as inappropriate…  ·  Admin →
  6. Implement conic gradients from CSS Image Values Level 4

    Conic gradients [1] are useful for a number of effects on the Web that cannot be emulated in any other way (see [2]). They can be implemented in many graphics libraries today (e.g. Cairo) via mesh gradients. Please implement them.

    [1]: http://www.w3.org/TR/css4-images/#conic-gradients
    [2]: http://leaverou.github.io/conic-gradient

    892 votes
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    21 comments  ·  CSS  ·  Flag idea as inappropriate…  ·  Admin →
  7. Custom Elements

    Method for registering (creating) custom elements in script.

    Spec: http://www.w3.org/TR/custom-elements/

    14,110 votes
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    138 comments  ·  HTML  ·  Flag idea as inappropriate…  ·  Admin →
  8. Shadow DOM (unprefixed)

    Enables DOM tree encapsulation. Without it, widgets may inadvertently break pages by using conflicting CSS selectors, class or id names, or JavaScript variables.

    http://dvcs.w3.org/hg/webcomponents/raw-file/tip/spec/shadow/index.html

    13,482 votes
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    120 comments  ·  HTML  ·  Flag idea as inappropriate…  ·  Admin →
  9. image-rendering: pixelated

    This declaration is used to preserve pixels when scaling up images (e.g. pixel art). IE provides this functionality via -ms-interpolation-mode: nearest-neighbor. The other browser engines also provide this functionality (see here: http://www.simevidas.com/2015/05/10/Blowing-up-pixel-art-on-the-Web.html).

    829 votes
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    12 comments  ·  CSS  ·  Flag idea as inappropriate…  ·  Admin →
  10. Support CSS Motion Path Module

    Since SMIL will be deprecated in Blink and there is no intent to implement in MS Edge, we need to fill in the gaps and provide alternative ways to do with CSS what we could do in SMIL.

    The CSS Motion Path spec is now a Level 1 module and is in W3C Working Draft status:: http://www.w3.org/TR/2015/WD-motion-1-20150409/

    Using the properties defined in this specification, we will be able to animate HTML and SVG elements along arbitrary paths, using nothing but good old CSS.

    There is a bug report open to fixes in Blink, hopefully to make it to implementation this…

    797 votes
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    6 comments  ·  CSS  ·  Flag idea as inappropriate…  ·  Admin →
  11. HTML Imports

    Import HTML documents into other HTML documents.

    Spec: https://dvcs.w3.org/hg/webcomponents/raw-file/tip/spec/imports/index.html

    8,806 votes
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    95 comments  ·  HTML  ·  Flag idea as inappropriate…  ·  Admin →
  12. :scope pseudo-class for the Selectors API

    Please implement the :scope pseudo-class to refer to the context in querySelector(All). You’re the last browser remaining [1]

    [1]: https://developer.mozilla.org/en-US/docs/Web/CSS/%3Ascope

    209 votes
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    3 comments  ·  CSS  ·  Flag idea as inappropriate…  ·  Admin →
  13. Dialog element

    This feature would add support for the <dialog> element to create in-page modal windows.

    https://html.spec.whatwg.org/multipage/forms.html#the-dialog-element

    2,297 votes
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    25 comments  ·  HTML  ·  Flag idea as inappropriate…  ·  Admin →
  14. 2,436 votes
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    46 comments  ·  Graphics  ·  Flag idea as inappropriate…  ·  Admin →
  15. 1,964 votes
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    48 comments  ·  CSS  ·  Flag idea as inappropriate…  ·  Admin →
  16. mix-blend-mode

    Provides a way to blend an HTML or SVG element with its backdrop.

    Spec: http://dev.w3.org/fxtf/compositing-1/

    2,950 votes
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    57 comments  ·  Graphics  ·  Flag idea as inappropriate…  ·  Admin →
  17. Web Animations JavaScript API

    A unified model for supporting animation and synchronization on the Web platform.

    http://www.w3.org/TR/web-animations/

    2,823 votes
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    14 comments  ·  JavaScript  ·  Flag idea as inappropriate…  ·  Admin →
  18. CSS Logical Properties

    Introduces logical properties and values that provide the author with the ability to control layout through logical, rather than physical, direction and dimension mappings.

    263 votes
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    9 comments  ·  CSS  ·  Flag idea as inappropriate…  ·  Admin →
  19. SVG2

    Implement the new SVG2 features.

    https://svgwg.org/svg2-draft/single-page.html

    1,506 votes
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    14 comments  ·  Graphics  ·  Flag idea as inappropriate…  ·  Admin →
  20. Shapes

    Define arbitrary shapes inside and around which inline content can flow.

    http://dev.w3.org/csswg/css-shapes/

    1,505 votes
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    10 comments  ·  CSS  ·  Flag idea as inappropriate…  ·  Admin →
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