1. CSS3 Border-radius (rounded corners)

    Method of making the border corners round. Covers support for the shorthand `border-radius` as well as the long-hand properties (e.g. `border-top-left-radius`)

  2. CSS Environment Variables env()

    Usage of environment variables like `safe-area-inset-top`.

  3. Scroll methods on elements (scroll, scrollTo, scrollBy)

    Methods to change the scroll position of an element. Similar to setting `scrollTop` & `scrollLeft` properties, but also allows options to be passed to define the scroll behavior.

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

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

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

  7. css property: border-top-left-radius

  8. css property: border-top-left-radius: elliptical corners

  9. css property: border-top-left-radius: percentages

  10. css property: corner-top-left-shape

  11. css property: corner-top-left-shape: bevel

  12. css property: corner-top-left-shape: notch

  13. css property: corner-top-left-shape: round

  14. css property: corner-top-left-shape: scoop

  15. css property: corner-top-left-shape: square

  16. css property: corner-top-left-shape: squircle