Use buttons as triggers for actions. Try to avoid the usage of buttons for navigation. The main difference between actions and navigation is that actions are operations performed on objects, while navigation refers to elements on the screen or view that take you to another context in the application. For navigation, consider simply using links.

Pivotal UI provides four kinds of buttons: primary buttons, default buttons, danger buttons, and brand buttons. See below for examples.

By default, each button is designed to have accessible color contrast over light backgrounds (white or light-gray). To use a button over a dark background (black or dark-gray), see the examples below.

Button types

Primary buttons should be used for the main action of a view, eg. a page, flyout, or modal. There will likely only be one of these on-screen at a time.

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If completing this action can have destructive effects, such as deletion, use a danger button. Like primary buttons, danger buttons draw attention. Both indicate the main action, so use only one or the other per view.

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Use a default button for other actions that could be taken on a view.

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Brand buttons can be used to incorporate Pivotal's teal color. In most cases, one of the other three button types should be used instead.

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Usage on dark backgrounds

Buttons that appear over dark backgrounds are styled differently to achieve accessible color contrast. To make a button accessible against a dark background, set the onDark prop.

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Alternatively, you can wrap components in the ThemeProvider component.

Common button patterns

When an action can be cancelled (e.g. closing a payment modal without completing the transaction), use a pair of buttons. The button on the left should have alt and should allow the user to cancel the workflow. The button on the right should confirm the action and should not have the alt prop.

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When the action is destructive, follow the same pattern with danger buttons.

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For a button that performs a non-essential action, set the flat prop to remove the background and the border.

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Set the icon prop to add an icon next to the button text.

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By default, the icon appears to the left of the text. To place the icon on the right, set the iconPosition prop to "right".

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To use a button with an icon and no text, set the iconOnly prop to make spacing even around the icon. Since they do not have text content, icon-only buttons must have an aria-label set so that screen readers understand their purpose.

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Set the disabled prop on a button to prevent a user from interacting with it.

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Set the large or small prop to increase or decrease the size of the button. In most cases use the default size.

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Set the fullWidth prop to make the button take up the full width of its container. This is useful for responsive layouts.

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A common pattern is to have a button that triggers an action, then is disabled and shows a spinner until the action completes. This can be achieved with the icon and disabled props.

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Props

Imports

Import React components (including CSS):

import {DefaultButton, PrimaryButton, DangerButton, BrandButton} from 'pivotal-ui/react/buttons';

Import CSS only:

import 'pivotal-ui/css/buttons';