button docs


Bolt Button

Button Component in Bolt

Bolt's Component Explorer is being upgraded. It'll return in a future release!

Button is a branded component to convey call to action. Part of the Bolt “Components” CSS framework that powers the Bolt Design System.

Install via NPM
npm install @bolt/components-button


Buttons are the core of our action components. Their affordance is immediate and can be use for most actions and allow users to access the target with a single interaction. Buttons clearly provide a next step for the user.

Our Buttons depend on the theme they are contained in and change in appearance based on said theme. The themes and button colors were designed together to ensure the proper amount affordance and clarity.

Xlight and light themes

  • Primary: Light Indigo container with white text
  • Secondary: white button with indigo text
  • Text button: Light indigo text with chevron

Dark and xdark themes

  • Primary: Yellow container with default indigo text
  • Secondary: white button with indigo text
  • Text button: white text with chevron

  • Currently only have one defined size (though other options can and will be defined in the future)

  • Can be 100% width of the wrapper for mobile or card instances
  • Can optionally be 100% width. For example, the button has default width of 2 rem on either side on larger screens but full width on smaller screens


  • CTAs must be clearly and succinctly labeled with a next step
  • CTA should lead with strong action verbs
  • The primary CTA should be the most important action.
  • Be consistent in placement based on the screen size and device
  • Fall back to the text button in secondary and tertiary content areas where you can. For example, cards with a button use the text style so that a filled button doesn't become overwhelming and redundant.
  • Follow theming rules


  • Don't clutter the page with too many buttons
  • Don't mix and match themes and their button colors. For example, do not use the indigo button on dark and xdark themes as the indigo button does not stand out enough.
  • Don't mix and match colors outside the theme, see button groups.
  {% include "@bolt-components-button/button.twig" with {
  text: "This is a button"
} only %}

Note: when assigning component props as HTML attributes on a web component, make sure to use kebab-case.

Prop Name Description Type Default Value Option(s)

A Drupal-style attributes object with extra attributes to append to this component.

text *

Text inside the button.


Transforms the button text to various cases.

string none
  • uppercase, lowercase, capitalize, none

Determines the button tag type for semantic buttons

  • button, submit, reset

Size of the button.

string medium
  • xsmall, small, medium, large, xlarge

Style of the button determined by information hierarchy.

string primary
  • primary, secondary, tertiary, text

Controls the width of the button.

string auto
  • auto, full, full@small

Rounds the corners of the button.

string regular
  • regular or full

Horizontal alignment of items (text and icon) inside the button. Note: the values left and right are deprecated, use start and end instead.

string center
  • start, center, end

Icon data as expected by the icon component. Accepts an additional position prop that determines placement within the link.

    • position

      Where to position the icon within the button

      • before or after
    • attributes

      A Drupal-style attributes object with extra attributes to append to this component.

    • name

      Icon name

    • background

      Customizes the background that's displayed behind the SVG icon itself. Choosing any option other than none will automatically add a bit of space around the SVG so the background has the necessary space. Note, this option is now available to icons of all sizes!

      • none, circle, square
    • size

      Icon size.

      • small, medium, large, xlarge
    • color

      Icon color palette. Picking an option other than auto will override the default colors based on the color theme is placed within.

      • auto, teal, blue, indigo, yellow, orange, gray, green, white, pink

Make the button to display only the icon and hide the text (which is still required). You are required to pass both text and icon data for this option to work.

boolean false

If present, users will be directed to this URL when clicking this element.


A valid HTML target attribute to modify the behavior when clicking this element. Only valid when "url" is also present.

string _self
  • _blank, _self, _parent, _top, framename

Whether the click action should be disabled for this element.

boolean false

When used with onClickTarget, an event to fire on the targeted elements when this element is clicked. When used without onClickTarget, arbitrary javascript to execute when this element is clicked.


Requires onClick. A CSS selector for elements that the onClick event will fire on when this element is clicked.


Use the align parameter instead.


Use the border_radius parameter instead.


Switch to using the new type prop instead.

string button
  • a, link, button, submit, reset


button size variations

Note: medium is the default size.

Note: interactive states only appear when the user interacts with the button, they are not styles that are available for use.

Regular States

Interactive States

Buttons inside a xdark theme

Buttons inside a dark theme

Buttons inside a light theme

Buttons inside a xlight theme

Note: full@small means that the button will go from auto width to full width when the browser goes below the small breakpoint.

Note: the align prop only works with full width buttons.

button type variations

Note: when passing icons inside a button, it is required to define the icon's position, by default it is set to after, which means the icon will come after the text.

Icon position set to before

Icon position set to after

button icon only

Note: an icon-only button still is still required to have text, and that text is accessible through screen readers. It's just visually hidden.

Xsmall icon-only button

Small icon-only button

Medium icon-only button

Large icon-only button

Xlarge icon-only button

Full border radius (circle icon-only button)

Examples with different icons

Add a js- target class for the button to perform something through javascript

Web Component Usage Bolt Button is a web component, you can simply use <bolt-button> in the markup to make it render.
This is a button
<bolt-button url="https://pega.com"> This is a button </bolt-button>
Basic Usage To use icon in combination with text within the button, you must pass <bolt-icon> with a slot attribute defined as either before or after. Note: the slot attribute is required in order for the icon to be placed and spaced correctly within the button. Even if icon-only option is turned on, slot is still required.

This is a button

This is a button

This is a button

<p> <bolt-button> <bolt-icon name="chevron-left" slot="before"></bolt-icon> This is a button </bolt-button> </p> <p> <bolt-button> <bolt-icon name="chevron-right" slot="after"></bolt-icon> This is a button </bolt-button> </p> <p> <bolt-button icon-only> <bolt-icon name="close" slot="before"></bolt-icon> This is a button </bolt-button> </p>
Advanced Usage The web component has all the options shown in the schema table. You can define each prop within the <bolt-button> element. Use unique combinations to customize a button to your liking. Note: the style prop is named color instead.
This is a button
<bolt-button url="https://pega.com" size="large" color="secondary" border-radius="full" tag="a" icon-only > <bolt-icon name="menu" slot="before"></bolt-icon> This is a button </bolt-button>
Server-side Rendered Web Components (Experimental) The <bolt-button> component, among many other web components in Bolt, will support server-side rendering via the new upcoming {% filter bolt_ssr %} custom Twig filter. Check out the docs on server-side rendering for information!
This is a button
<bolt-button> This is a button <bolt-icon name="chevron-right" slot="after"></bolt-icon> </bolt-button>
Debug Panel