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PromptBox Appearance

Updated on Feb 11, 2026

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
javascript
    $("#promptbox").kendoPromptBox({
        actionButton: {
            size: "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
javascript
    $("#promptbox").kendoPromptBox({
        actionButton: {
            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
javascript
    $("#promptbox").kendoPromptBox({
        actionButton: {
            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
javascript
    $("#promptbox").kendoPromptBox({
        actionButton: {
            themeColor: "primary"
        }
    });

See Also