1. CSS Cross-Fade Function

    Image function to create a "crossfade" between images. This allows one image to transition (fade) into another based on a percentage value.

  2. Viewport units: vw, vh, vmin, vmax

    Length units representing a percentage of the current viewport dimensions: width (vw), height (vh), the smaller of the two (vmin), or the larger of the two (vmax).

  3. css property: border-bottom-left-radius: percentages

  4. css property: border-bottom-right-radius: percentages

  5. css property: border-radius: percentages

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

  7. css property: border-top-right-radius: percentages

  8. css property: column-gap: supported in multi-column layout: `<percentage>` values

  9. css property: font-stretch: `<percentage>` syntax

  10. css property: gap: supported in grid layout: `<percentage>` values

  11. css property: opacity: support for percentage opacity values

  12. css property: shape-image-threshold: support for percentage opacity values

  13. css property: text-decoration-thickness: percentage values

  14. css property: text-size-adjust: `<percentage>`

  15. css property: text-underline-offset: percentage values

  16. css property: word-spacing: `<percentage>` values

  17. types: `<angle-percentage>`

  18. types: `attr()`: <type-or-unit>: <percentage>

  19. types: <color>: `color()` (profiled color values): mix `<percentage>` and `<number>` in parameters

  20. types: <color>: `hsl()` (hsl color model): mix `<percentage>` and `<number>` in parameters

  21. types: <color>: `hwb()` (hwb color model): mix `<percentage>` and `<number>` in parameters

  22. types: <color>: `lab()` (lab color model): mix `<percentage>` and `<number>` in parameters

  23. types: <color>: `lch()` (lch color model): mix `<percentage>` and `<number>` in parameters

  24. types: <color>: `oklab()` (oklab color model): mix `<percentage>` and `<number>` in parameters

  25. types: <color>: `oklch()` (oklch color model): mix `<percentage>` and `<number>` in parameters

  26. types: <color>: `rgb()` (rgb color model): mix `<percentage>` and `<number>` in parameters

  27. types: `<frequency-percentage>`

  28. types: `<length-percentage>`

  29. types: `<length>`: `dvb`, `dvh`, `dvi`, `dvmax`, `dvmin`, `dvw` units

  30. types: `<length>`: `lvb`, `lvh`, `lvi`, `lvmax`, `lvmin`, `lvw` units

  31. types: `<length>`: `svb`, `svh`, `svi`, `svmax`, `svmin`, `svw` units

  32. types: `<percentage>`

  33. types: `<position>`: syntax combining a keyword and `<length>` or `<percentage>`

  34. types: <time-percentage>