# Widget example: CSS patterns ## **Widget UI** The widget UI exposes the following properties and groups them in a single card.

Name	Id	Type	Description
Select Pattern	patternId	selection	Selection of pattern names
Back Color	backColorId	color	Background color
Front Color	frontColorId	color	Foreground color
Spacing	spacingId	number	Spacing between pattern repetitions

UI definition

```json { "model": { "fields": [ { "id": "patternId", "type": "selection", "title": "Select Pattern", "defaultValue": "Rectangles", "selections": [ { "id": "Circles", "title": "Circles" }, { "id": "Rectangles", "title": "Rectangles" }, { "id": "Triangles", "title": "Triangles" } ] }, { "id": "backColorId", "type": "color", "title": "Back Color", "defaultValue": "#E5E5F7" }, { "id": "frontColorId", "type": "color", "title": "Front Color", "defaultValue": "#444CF7" }, { "id": "spacingId", "type": "number", "title": "Spacing", "defaultValue": "25", "min": "1", "max": "100", "step": "0.1", "unit": "unit", "format": "0.1" } ], "groups": [ { "id": "group1Id", "title": "Pattern Options", "width": "single", "toolTip": "Select a Pattern and modify options", "childIds": ["patternId", "backColorId", "frontColorId", "spacingId"] } ] } } ```

## Widget code {% hint style="info" %} The widget loads and uses the tinycolor.js library to convert various color values (RGB, HEX, HSL, RGBA, or HSLA) to HEX color definition. {% endhint %}

output.html

```html

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