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Checkout Button Style Guide
Guidelines for displaying and customizing the Checkout Button in your storefront.

The Checkout button loads the Bolt Checkout modal when selected. Shoppers can manage their credentials, payment methods, and shipping options from the modal.

Merchants can either use Bolt’s default styling for greater cross-network shopper recognition or customize the Checkout button to fit their own brand requirements using the guidelines in this article.


There are four acceptable placements for displaying the Checkout button. Each is listed in the following sections.

  1. Shopping Cart Page
  2. Mini-cart Popover
  3. Mini-cart Sidepanel
  4. Add-to-Cart Confirmation Modal

Shopping Cart Page

Mini-cart Popover

Mini-cart Sidepanel

Add-to-Cart Confirmation Modal

Size and Position

Default Style

Minimum Button Size

Height and Width

The Bolt Checkout button’s dimensions must be consistent with all other payment buttons displayed. If displayed alone, the Checkout button’s width must fill its container.

Vertical & Horizontal Layouts

Vertical layouts are the most friendly across all devices. The Bolt Checkout button should be displayed first (on top). Bolt recommends displaying no more than 3 alternative payment options to your shoppers.
Horizontal layouts should display the Bolt Checkout button on the far-right as the last payment option. Bolt recommends displaying no more than 3 alternative payment options to your shoppers.


Merchants can customize the following aspects of the Bolt Checkout button:

Display Local or Alternative Payment Methods

Merchants can display alternative payment methods as badges beneath the Checkout button.


Center badges beneath the Checkout button. Use secondary button styling when displaying additional actions (e.g. “View Cart”) across the UI, such as on the Mini-Cart page or in the Confirmation modal.


Do not stack payment methods if the Checkout button is narrow. Do not use the same style for secondary buttons. Do not display a payment method badge for options with a dedicated button (as you can see, PayPal has a badge and a button). Do not alter the size of payment method badges.

Bolt Icon

Merchants can choose to either hide the default Bolt icon or display a lock icon instead.


The call-to-action text must be centered in the Checkout button if no icon is displayed. Use the lock icon as an alternative to convey secure payment processing and inspire trust in your brand.


Do not change the position of the icon or text in the Checkout button. Do not alter the size of the icon. Do not use third-party or icons with the Bolt Checkout button.

Button Text

The Checkout button displays Checkout by default. Ensure any custom CTA clearly indicates to shoppers that the Checkout button initiates the checkout process.


Provide actionable direction that sets clear expectations for the shopper.


Avoid unclear CTAs that may confuse the shopper.

Border Radius

The Checkout button’s border-radius is 4px by default. Merchants can adjust this to match their storefront’s styling.


You can adjust the button to have square corners. You can adjust the border radius to create a rounded shaped button.


Do not alter the border radius to bring prominence.

Text Font

The Checkout button’s font-family is SF Pro Text by default. Merchants can update the font-family to match their storefront’s styling.


You can match your storefront’s primary font.


Avoid choosing a font that is not consistent with your brand. Avoid inflating the font size to add prominence to the Checkout button, especially if the selected size is not consistent with the storefront’s styling.

Button Color

The Checkout button’s background-color is Bolt blue (#006CFF) by default. Merchants can update the background-color to be consistent with their brand. Bolt recommends verifying that your color choice passes accessibility requirements by visiting https://accessible-colors.com.


You can update the button’s background color to match your storefront’s primary call-to-action styling.


Avoid using background colors that are not accessible and inclusive to all shoppers. Do not use Bolt’s red (`#FF4F50`) as your primary call to action button color as it might collide with Bolt’s warnings and/or error call outs.

Additional Options

Name Type Example
background String; accepts hex, rgba #FFFFFF rgba(255,255,255,0)
background-hover String; accepts hex, rgba
letter-spacing em or px 0.1em
font-color String; accepts hex, rgba
font-family String; accepts list of fonts Roboto, sans-serif
font-size String 16px
font-weight String bold
height String; can be pixels or percentage for dynamic 100px, 100%
width String; can be pixels or percentage for dynamic 100px, 100%
border-color String; accepts hex, rgba #fff
border-color-hover String; accepts hex, rgba #fff
border-width int 2 NOT 2em or 2px (svg can’t support)
border-width-hover int 2 NOT 2em or 2px (svg can’t support)
border-radius int 2 NOT 2em or 2px (svg can’t support)
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