1. CSS Variables (Custom Properties)

    Permits the declaration and usage of cascading variables in stylesheets.

  2. Variable fonts

    OpenType font settings that allows a single font file to behave like multiple fonts: it can contain all the allowed variations in width, weight, slant, optical size, or any other exposed axes of variation as defined by the font designer. Variations can be applied via the `font-variation-settings` property.

  3. WAI-ARIA Accessibility features

    Method of providing ways for people with disabilities to use dynamic web content and web applications.

  4. elementinternals api: ariabusy

  5. elementinternals api: arialabel

  6. elementinternals api: arialevel

  7. elementinternals api: arialive

  8. elementinternals api: ariamodal

  9. elementinternals api: ariasort

  10. element api: ariaatomic

  11. element api: ariaautocomplete

  12. element api: ariabusy

  13. element api: ariachecked

  14. element api: ariacolcount

  15. element api: ariacolindex

  16. element api: ariacolindextext

  17. element api: ariacolspan

  18. element api: ariacurrent

  19. element api: ariadescription

  20. element api: ariadisabled

  21. element api: ariaexpanded

  22. element api: ariahaspopup

  23. element api: ariahidden

  24. element api: ariainvalid

  25. element api: ariakeyshortcuts

  26. element api: arialabel

  27. element api: arialevel

  28. element api: arialive

  29. element api: ariamodal

  30. element api: ariamultiline

  31. element api: ariamultiselectable

  32. element api: ariaorientation

  33. element api: ariaplaceholder

  34. element api: ariaposinset

  35. element api: ariapressed

  36. element api: ariareadonly

  37. element api: ariarelevant

  38. element api: ariarequired

  39. element api: ariaroledescription

  40. element api: ariarowcount

  41. element api: ariarowindex

  42. element api: ariarowindextext

  43. element api: ariarowspan

  44. element api: ariaselected

  45. element api: ariasetsize

  46. element api: ariasort

  47. element api: ariavaluemax

  48. element api: ariavaluemin

  49. element api: ariavaluenow

  50. element api: ariavaluetext