kibana-123/ui_framework/doc_site/src/views/button/button_elements.html

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<button class="kuiButton kuiButton--basic">
  Button element
</button>

&nbsp;

<input
  type="submit"
  class="kuiButton kuiButton--basic"
  value="Submit input element"
>

&nbsp;

<a href="#" class="kuiButton kuiButton--basic">
  Anchor element
</a>