Component information
Last update on 11 June 2026Use the button component to help users carry out an action like starting an application or saving their information.
Primary button
The FCDO primary button is used to draw attention to the most important action on a page. It should be reserved for the key task a user needs to complete, such as downloading a release, continuing a journey, or submitting a form.
Disabled button
The disabled button is used when an action is temporarily unavailable or cannot be completed.
Warning button
The FCDO warning buttons are designed to make users think carefully before they use them. They only work if used very sparingly.
Outline button
The FCDO outline button is used for alternative or supporting actions that are less important than the primary action on a page.
Outline warning button
The FCDO outline warning button is designed to make users think carefully before they use it. It only works if used very sparingly.
Icon button
The FCDO icon button is used for actions that are best represented by an icon rather than text.
Button group
Button groups are used when users need to choose between multiple actions, with a clear primary and secondary option.