Action button


<!-- Secondary button -->
<button class="btn btn--action">
    Action button - Max 1 per page
</button>

<!-- Active secondary button -->
<button class="btn btn--action-alt btn--secondary-active">
    Action alternative button - Max 1 per page
</button>

Success, next and forms button


<!-- Primary button -->
<button class="btn btn--primary">
    Success / next / forms
</button>

<!-- Disabled primary button -->
<button class="btn btn--primary btn--primary-disabled">
    Button disabled
</button>

Content button


<!-- Content button -->
<button class="btn btn--content">
    Content button
</button>