This page lists CSS variables for indentation guides. Indentation guides visualize the indentation level in nested lists.
## CSS variables
| Variable | Description |
| ------------------------------------ | --------------------------------------- |
| `--indentation-guide-width` | Indentation guide border width |
| `--indentation-guide-width-active` | Indentation guide border width (active) |
| `--indentation-guide-color` | Indentation guide border color |
| `--indentation-guide-color-active` | Indentation guide border color (active) |
| `--indentation-guide-editing-indent` | Width of the indent in edit mode |
| `--indentation-guide-reading-indent` | Width of the indent in read mode |
| `--indentation-guide-source-indent` | Width of the indent in source mode |