Buttons

Buttons are interactive elements activated by a user with a mouse, keyboard, or tap. Once activated, it then performs a programmable action, such as submitting a form or opening a dialog.

Variations

Primary buttons

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Secondary buttons

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Rounded Full Primary Buttons

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Rounded Full Secondary Buttons

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Outline Buttons

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Link Buttons

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App Buttons

Usage

Buttons communicate actions that users can take. They are typically placed throughout your UI, in places like:

  • Dialogs
  • Modal windows
  • Forms
  • Cards
  • Toolbars

Specs

Buttons come in 6 styles (primary, secondary, primary rounded, secondary rounded, outline and link) They can contain text, leading or trailing icons and even a notification badge. All variations come in 3 sizes:

  • Small: 2em height (32px), 1rem (16px) horizontal padding and 0.75rem (12px) font size. Icons on small buttons are 1rem (16px) wide and tall and have a 0.5rem (8px) distance from the text.
  • Base: 2.5em height (40px), 1.25rem (20px) horizontal padding and 0.875rem (14px) font size. Icons on base buttons are 1.25rem (20px) wide and tall and have a 0.5rem (8px) distance from the text.
  • Large: 3em height (48px), 1.5rem (24px) horizontal padding and 0.875rem (14px) font size. Icons on large buttons are 1.25rem (20px) wide and tall and have a 0.5rem (8px) distance from the text.
 

Accessibility notes

  • A <button> tag does not need anything special to work. Use <button> when you can, but it is possible to use other elements (such as a link) as long as you add role="button"
  • In the case of icon-only buttons include a span with className=“sr-only" from screen readers and hence give more context to the button's purpose.
  • If it contains an icon, use aria-label to describe the icon.
  • If a link is used instead of a button element include a role="button" role.