Introduces logical properties and values that provide the author with the ability to control layout through logical, rather than physical, direction and dimension mappings.117 votes
Logical properties are now on our backlog, with a high priority. You can track status changes at https://dev.modern.ie/platform/status/csslogicalpropertieslevel1/
Webkit offers the ability to create reflections using CSS:
I would love to see this in Edge as it can add a nice effect to images.30 votes
I created a CSS-based grid system for my SVG sprite sheet using transforms, only to revert to transform attributes after it collapsed in IE9+.
Please add support for CSS transformation in SVG.3,634 votes
This work is now in Microsoft Edge Insiders Preview 17074 and higher.
The @document rule has long been implemented in Firefox, but the W3C deferred further discussions about @document to CSS4, thus not carving anything out in stone - yet.
Please make a push for getting the @document rule recognized and implmented in Edge, or something that works a similar way.
Thank you!8 votes
Support CSS ::marker pseudo-element, which is generated by list items to represent the item’s marker.69 votes
Currently, JS has to be used to apply styles to a scrolled container. It would be fantastic to have a psuedoclass like :scrolling or :overflowing to apply specific styling, like correcting for the space taken up by a scrollbar or perhaps applying a fixer header automatically.9 votes
The CSS image-set() function is now on the Microsoft Edge backlog with a priority of medium. Status updates can be tracked at https://dev.modern.ie/platform/status/cssimageset
CSS Clip Path is currently on the backlog with medium priority. The status can be tracked along with CSS Masking at https://developer.microsoft.com/en-us/microsoft-edge/platform/status/masks/
Currently, IE claims to support the 'ch' CSS unit (http://www.w3.org/TR/css3-values/#font-relative-lengths), but its implementation differs from other browsers' one. While other browsers consider '1ch' equal to the overall width of the character, including its side-bearings, IE seems to take into account only the width of the painted area, without side-bearings. This makes IE's implementation almost useless in practical tasks like http://lea.verou.me/2012/02/simpler-css-typing-animation-with-the-ch-unit/. Can the implementation of this unit be changed for the parity with other browsers, so we could use it interoperably?30 votes
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
Supported by Firefox and Chrome and gives the developer more control over CSS cascading. This would be helpful when when writing components that get inserted in other environments.
Preferably both property: initial and all: initial would be supported.537 votes
The initial and unset CSS wide values are already in development in Microsoft Edge. The all shorthand property is now on the backlog with a priority of medium. You can track status updates at https://dev.modern.ie/platform/status/cssallshorthand/
Method of allowing an element to be resized by the user, with options to limit to a given direction.
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-emphasis properties like text-emphasis-position, color, style etc.345 votes
CSS3 tab-size is supported in all other browsers, and defines how many spaces the tab character should consist of.252 votes
The tab-size property is now on the Microsoft Edge backlog with a priority of medium. You can track status updates at https://developer.microsoft.com/en-us/microsoft-edge/platform/status/csstabsizeproperty/
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.253 votes
Add support for the CSS3 box-decoration-break property, used to style inline elements that breaks in half. Supported in all other browsers.212 votes
Fast and efficient support for serving large fonts which cover many languages
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-language-override147 votes
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