# configuration/constants/css.constants.ts

> 4 lines of code and 4 definitions.

Tree: GovLab Quality
Language: typescript
Layer: infrastructure
Canonical: https://banes-lab.com/anatomy/quality#file-quality-configuration-constants-css-constants-ts
Source text: https://banes-lab.com/source/quality/configuration/constants/css.constants.ts.txt

Listed in [configuration/constants](https://banes-lab.com/api/source/quality/configuration/constants.md), after [configuration/constants/context.constants.ts](https://banes-lab.com/source/quality/configuration/constants/context.constants.ts.md) and before [configuration/constants/ecosystem.constants.ts](https://banes-lab.com/source/quality/configuration/constants/ecosystem.constants.ts.md).

## Definitions

- `CSS_UNITS` (lexical_declaration, line 1, exported)
- `BASE_FONT_PX` (lexical_declaration, line 3, exported)
- `CLAMP_OPEN` (lexical_declaration, line 5, exported)
- `CLAMP_PART_COUNT` (lexical_declaration, line 7, exported)

## Contained in

- [configuration/constants](https://banes-lab.com/anatomy/quality/folder-quality-configuration-constants.md)

## Source

```typescript
export const CSS_UNITS = new Set(["px", "em", "rem", "%", "vh", "vw", "vmin", "vmax", "ms", "s", "deg"]);

export const BASE_FONT_PX = 16;

export const CLAMP_OPEN = "clamp(";

export const CLAMP_PART_COUNT = 3;
```