# PromptBox Appearance

The PromptBox provides predefined appearance options such as different sizes, border radiuses, fill modes and theme colors for its built-in button controls.

## Size

The PromptBox allows you to configure the size of its buttons. To achieve this utilize the `Size` option for each button configuration.

The supported values are:

* `Small`
* `Medium` (default)
* `Large`
* `None`

```Razor HtmlHelper
    @(Html.Kendo().PromptBox()
        .Name("promptBox")
        .ActionButton(button => button
            .Size(ComponentSize.Large)
        )
    )
```

## Roundness

The PromptBox enables you to apply different `border radius` to its buttons through the `Rounded` option.

The supported values are:

* `Small`
* `Medium` (default)
* `Large`
* `Full`
* `None`

```Razor HtmlHelper
    @(Html.Kendo().PromptBox()
        .Name("promptBox")
        .ActionButton(button => button
            .Rounded(Rounded.Full)
        )
    )
```

## Fill Mode

The PromptBox allows you to set different fill modes for its buttons by using the `FillMode` option.

The supported values are:

* `Solid` (default)
* `Flat`
* `Outline`
* `Link`
* `Clear`
* `None`

```Razor HtmlHelper
    @(Html.Kendo().PromptBox()
        .Name("promptBox")
        .ActionButton(button => button
            .FillMode(FillMode.Flat)
        )
    )
```

## Theme Colors

The PromptBox allows you to set different theme colors for its buttons by using the `ThemeColor` option.

The supported values include:

* `Base` (default)
* `Primary`
* `Secondary`
* `Tertiary`
* `Info`
* `Success`
* `Warning`
* `Error`
* `Dark`
* `Light`
* `Inverse`
* `None`

```Razor HtmlHelper
    @(Html.Kendo().PromptBox()
        .Name("promptBox")
        .ActionButton(button => button
            .ThemeColor(ThemeColor.Primary)
        )
    )
```

## See Also

* [Server-Side API of the PromptBox HtmlHelper](https://www.telerik.com/aspnet-mvc/documentation/api/promptbox)

* [JavaScript API Reference of the PromptBox](https://www.telerik.com/aspnet-mvc/documentation/api/ui/promptbox)

* [PromptBox Adornments](https://www.telerik.com/aspnet-mvc/documentation/html-helpers/conversational-ui/promptbox/adornments)

* \[PromptBox Modes]\(slug://htmlhelpers_promptbox_modes_aspnetcore