| Function | Description | CSS |
| attr() | Returns the value of an attribute of the selected element | 2 |
| calc() | Allows you to perform calculations to determine CSS property values | 3 |
| linear-gradient() | Creates an "image" which represents a linear gradient of colors | 3 |
| radial-gradient() | Creates an "image" which represents a gradient of colors radiating from the center of the gradient | 3 |
| repeating-linear-gradient() | Creates an "image" consisting of repeating gradients | 3 |
| repeating-radial-gradient() | Similarly to radial-gradient(), but it automatically repeats the color stops infinitely in both directions | 3 |
