1. CSS Animation

    Complex method of animating certain properties of an element

  2. CSS zoom

    Method of scaling content while also affecting layout.

  3. Scoped attribute

    Deprecated method of allowing scoped CSS styles using a "scoped" attribute. Now [removed from the specification](https://github.com/whatwg/html/issues/552) and replaced by the [@scope CSS rule](/css-cascade-scope).

  4. SVG in CSS backgrounds

    Method of using SVG images as CSS backgrounds

  5. CSS3 2D Transforms

    Method of transforming an element including rotating, scaling, etc. Includes support for `transform` as well as `transform-origin` properties.

  6. css 2.1 aural

  7. css max-lines property

  8. background-filter

  9. css @apply rule