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  1. Unprefix and support all @viewport properties

    CSS Device Adaption (http://dev.w3.org/csswg/css-device-adapt) is partially supported through the @-ms-viewport rule, however the width and height property are the only ones supported. It would be nice if the zoom and orientation properties were supported, too (in addition to the rest of the spec), so that we'd get a real replacement for the non-standard viewport <meta> tag.

    39 votes
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      0 comments  ·  CSS  ·  Flag idea as inappropriate…  ·  Admin →
    • CSS resize property

      Method of allowing an element to be resized by the user, with options to limit to a given direction.
      http://caniuse.com/#feat=css-resize

      446 votes
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        6 comments  ·  CSS  ·  Flag idea as inappropriate…  ·  Admin →
      • text-decoration styling

        Add support for (at least some of) the new text decoration styling properties below:
        * text-decoration properties like text-decoration-color, style, line, skip etc.
        * text-underline-position
        * text-emphasis properties like text-emphasis-position, color, style etc.

        408 votes
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          5 comments  ·  CSS  ·  Flag idea as inappropriate…  ·  Admin →
        • tab-size property

          CSS3 tab-size is supported in all other browsers, and defines how many spaces the tab character should consist of.

          http://dev.w3.org/csswg/css-text/#propdef-tab-size

          282 votes
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            5 comments  ·  CSS  ·  Flag idea as inappropriate…  ·  Admin →
          • box-decoration-break

            Add support for the CSS3 box-decoration-break property, used to style inline elements that breaks in half. Supported in all other browsers.

            267 votes
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              15 comments  ·  CSS  ·  Flag idea as inappropriate…  ·  Admin →
            • Support PNG, GIF & SVG cursors and other cursor enhancements

              Add support for more formats than just the CUR and ANI file formats in the CSS cursor property. PNG, SVG and GIF support would be good.

              Also, consider supporting the zoom-in/out and grab/grabbing properties, in addition to updating the browser-specific cursors like no-drop, all-scroll, col/row-resize, alias, cell, copy and context-menu cursors, as they look small/jagged, old and weird on my high DPI screen.

              260 votes
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                8 comments  ·  CSS  ·  Flag idea as inappropriate…  ·  Admin →
              • font-size-adjust & other font properties

                Add support for the CSS3 property used for adjusting font sizes consistently across font families. Supported in Firefox since the beginning.

                And please consider some of these font-related properties, too, potentially making it easier to customize and implement fonts on the web:
                * font-variant (and its children properties)
                * font-synthesis
                * font-kerning
                * @font-feature-values
                * font-language-override

                169 votes
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                  6 comments  ·  CSS  ·  Flag idea as inappropriate…  ·  Admin →
                • unicode-range

                  Fast and efficient support for serving large fonts which cover many languages
                  http://www.w3.org/TR/css3-fonts/#unicode-range-desc

                  159 votes
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                    4 comments  ·  CSS  ·  Flag idea as inappropriate…  ·  Admin →
                  • Custom filters (shaders)

                    Filter effects are a way of processing an element’s rendering before it is displayed in the document.

                    http://www.w3.org/Graphics/fx/wiki/CSS_Shaders_Security

                    163 votes
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                      1 comment  ·  CSS  ·  Flag idea as inappropriate…  ·  Admin →
                    • Update CSS Regions

                      Update the IE implementation of Regions to match the current spec and interoperate with the Safari implementation

                      92 votes
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                        1 comment  ·  CSS  ·  Flag idea as inappropriate…  ·  Admin →
                      • Update word-wrap to overflow-wrap

                        overflow-wrap is the new name for word-wrap, and should be implemented to adjust to the standards.

                        55 votes
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                          3 comments  ·  CSS  ·  Flag idea as inappropriate…  ·  Admin →
                        • Scrolling tables

                          To those in the enterprise application world, tables are used extensively and can get both very tall and wide. Currently there is no easy way to make an HTML table scroll either way.

                          Long ago in Firefox 3 you could add :overflow:scroll" to tbody and it would scroll, but they removed support for that because it was not standard. Even that only supported vertical scrolling.

                          There are probably too many javascript toolkits to count that include their own version of a scrollable grid. Although those are very helpful, none which I know of support scrolling on tables without using "table-layout:fixed".…

                          52 votes
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                            2 comments  ·  CSS  ·  Flag idea as inappropriate…  ·  Admin →
                          • CSS Masking

                            Allows hiding of portions of a visible elements.

                            Spec: https://dvcs.w3.org/hg/FXTF/raw-file/tip/css-masking-1/index.html

                            2,329 votes
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                              32 comments  ·  CSS  ·  Flag idea as inappropriate…  ·  Admin →
                            • Shapes

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

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

                              1,444 votes
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                                9 comments  ·  CSS  ·  Flag idea as inappropriate…  ·  Admin →
                              • Box Alignment

                                CSS properties for aligning boxes within their container. Allows for true vertical centering among other features.

                                http://dev.w3.org/csswg/css3-align/

                                1,374 votes
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                                  2 comments  ·  CSS  ·  Flag idea as inappropriate…  ·  Admin →
                                • CSS "Will Change"

                                  Adds a will-change CSS property, that can be used to signal that a particular property is likely to be changed in the future, or that an element's content is likely to change.

                                  Proposal: http://tabatkins.github.io/specs/css-will-change/

                                  1,065 votes
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                                    11 comments  ·  CSS  ·  Flag idea as inappropriate…  ·  Admin →
                                  • CSS Intrinsic Sizing

                                    Extends the CSS sizing properties with keywords that represent content-based "intrinsic" sizes and context-based "extrinsic" sizes, allowing CSS to more easily describe boxes that fit their content or fit into a particular layout context.

                                    http://dev.w3.org/csswg/css3-sizing/

                                    990 votes
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                                      14 comments  ·  CSS  ·  Flag idea as inappropriate…  ·  Admin →
                                    • font-family should be stored as array of strings, not a string that requires parsing (escaped quotes)

                                      Previously IE and Firefox use to have similar behavior but now since Firefox aligned itself with Chrome (Blink) behavior, I think IE should change its behavior and make all browsers consistent.

                                      Test URL: https://bugzilla.mozilla.org/attachment.cgi?id=172901

                                      Bug URL: https://bugzilla.mozilla.org/show_bug.cgi?id=280443

                                      Regards

                                      4 votes
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                                        0 comments  ·  CSS  ·  Flag idea as inappropriate…  ·  Admin →
                                      • 4 votes
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                                          1 comment  ·  CSS  ·  Flag idea as inappropriate…  ·  Admin →
                                        • Generated Content for Paged Media

                                          CSS properties helpful for printed publication.

                                          Spec: http://dev.w3.org/csswg/css3-gcpm/

                                          79 votes
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                                            1 comment  ·  CSS  ·  Flag idea as inappropriate…  ·  Admin →
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