1. CSS Feature Queries

    CSS Feature Queries allow authors to condition rules based on whether particular property declarations are supported in CSS using the @supports at rule.

  2. css at-rule: `@supports`: `at-rule()`

  3. css at-rule: `@supports`: `font-format()`

  4. css at-rule: `@supports`: `font-tech()`

  5. css at-rule: `@supports`: `named-feature()`

  6. css at-rule: `@supports`: `named-feature()`: `named-feature(anchor-position-follows-transforms)`

  7. css at-rule: `@supports`: `named-feature()`: `named-feature(single-axis-scroll-container)`

  8. css at-rule: `@supports`: `selector()`