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 background-position edge offsets

    Allows CSS background images to be positioned relative to the specified edge using the 3 to 4 value syntax. For example: `background-position: right 5px bottom 5px;` for positioning 5px from the bottom-right corner.

  3. css property: border-bottom-left-radius: elliptical corners

  4. css property: border-bottom-right-radius: elliptical corners

  5. css property: border-radius: 4 values for 4 corners

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

  7. css property: border-top-right-radius: elliptical corners

  8. css selector: `::-webkit-scrollbar-corner`