> Markdown version of [Styling](https://vaadin.com/docs/v24/components/popover/styling). Section index: [llms.txt](https://vaadin.com/docs/v24/components/llms.txt)

# Styling

## <a id="style-properties"></a>Style Properties

The following style properties can be used in CSS stylesheets to customize the appearance of this component.

To apply values to these properties globally in your application UI, place them in a CSS block using the `html {…​}` selector. See [Lumo Style Properties](https://vaadin.com/docs/v24/styling/lumo/lumo-style-properties.md) for more information on style properties.

| Feature       | Property                         | Default Value          |
| ------------- | -------------------------------- | ---------------------- |
| Arrow size    | `--vaadin-popover-arrow-size`    | `0.5rem`               |
| Top offset    | `--vaadin-popover-offset-top`    | `var(--lumo-space-xs)` |
| Bottom offset | `--vaadin-popover-offset-bottom` | `var(--lumo-space-xs)` |
| Start offset  | `--vaadin-popover-offset-start`  | `var(--lumo-space-xs)` |
| End offset    | `--vaadin-popover-offset-end`    | `var(--lumo-space-xs)` |

## <a id="css-selectors"></a>CSS Selectors

The following CSS selectors can be used in stylesheets to target the various parts and states of the component. See the [Styling documentation](https://vaadin.com/docs/v24/styling.md) for more details on how to style components.

- Root element

  `vaadin-popover-overlay`

### <a id="states"></a>States

- Non-modal

  `vaadin-popover-overlay[modeless]`

### <a id="parts"></a>Parts

- Modality curtain (backdrop)

  `vaadin-popover-overlay::part(backdrop)`

- Popover surface

  `vaadin-popover-overlay::part(overlay)`

- Content wrapper

  `vaadin-popover-overlay::part(content)`

- Arrow element

  `vaadin-popover-overlay::part(arrow)`

### <a id="style-variants"></a>Style Variants

- Arrow

  `vaadin-popover[theme~="arrow"]`