1. CSS box-decoration-break

    Controls whether the box's margins, borders, padding, and other decorations wrap the broken edges of the box fragments (when the box is split by a break (page/column/region/line).

  2. CSS3 Box-shadow

    Method of displaying an inner or outer shadow effect to elements

  3. CSS Scroll-behavior

    Method of specifying the scrolling behavior for a scrolling box, when scrolling happens due to navigation or CSSOM scrolling APIs.

  4. CSS Text Box

    CSS `text-box` (and it’s longhands `text-box-trim` & `text-box-edge`) provide the ability to trim extra space over/under text glyphs at the start/end of a block to match specific font-provided metrics. This allows for more precise alignment and positioning of text.

  5. CSS3 Box-sizing

    Method of specifying whether or not an element's borders and padding should be included in size units

  6. CSS Flexible Box Layout Module

    Method of positioning elements in horizontal or vertical stacks. Support includes all properties prefixed with `flex`, as well as `display: flex`, `display: inline-flex`, `align-content`, `align-items`, `align-self`, `justify-content` and `order`.

  7. css at-rule: `@page`: `@bottom-center` page-margin box

  8. css at-rule: `@page`: `@bottom-left` page-margin box

  9. css at-rule: `@page`: `@bottom-left-corner` page-margin box

  10. css at-rule: `@page`: `@bottom-right` page-margin box

  11. css at-rule: `@page`: `@bottom-right-corner` page-margin box

  12. css at-rule: `@page`: `@left-bottom` page-margin box

  13. css at-rule: `@page`: `@left-middle` page-margin box

  14. css at-rule: `@page`: `@left-top` page-margin box

  15. css at-rule: `@page`: `@right-bottom` page-margin box

  16. css at-rule: `@page`: `@right-middle` page-margin box

  17. css at-rule: `@page`: `@right-top` page-margin box

  18. css at-rule: `@page`: `@top-center` page-margin box

  19. css at-rule: `@page`: `@top-left` page-margin box

  20. css at-rule: `@page`: `@top-left-corner` page-margin box

  21. css at-rule: `@page`: `@top-right` page-margin box

  22. css at-rule: `@page`: `@top-right-corner` page-margin box

  23. css property: -webkit-box-reflect

  24. css property: align-self: supported for absolutely-positioned boxes

  25. css property: box-align

  26. css property: box-decoration-break: clone

  27. css property: box-decoration-break: slice

  28. css property: box-direction

  29. css property: box-flex

  30. css property: box-flex-group

  31. css property: box-lines

  32. css property: box-ordinal-group

  33. css property: box-orient

  34. css property: box-pack

  35. css property: box-shadow: inset

  36. css property: box-shadow: multiple shadows

  37. css property: box-shadow: spread radius

  38. css property: clip-path: fill-box

  39. css property: clip-path: view-box

  40. css property: font: message-box

  41. css property: justify-self: supported for absolutely-positioned boxes

  42. css property: object-view-box

  43. css property: place-self: supported for absolutely-positioned boxes

  44. css property: text-box

  45. css property: text-box-edge

  46. css property: text-box-edge: auto

  47. css property: text-box-trim

  48. css property: text-box-trim: none

  49. css property: text-box: normal

  50. css property: transform-box