Anchor links	Default	Disabled (.elgg-state-disabled)
Base (.elgg-button)	anchor	anchor
Action (.elgg-button-action)	anchor	anchor
Cancel (.elgg-button-cancel)	anchor	anchor
Submit (.elgg-button-submit)	anchor	anchor
Special (.elgg-button-special)	anchor	anchor
Delete (.elgg-button-delete)	anchor	anchor

Input type="submit"	Default	Disabled (.elgg-state-disabled)
Base (.elgg-button)
Action (.elgg-button-action)
Cancel (.elgg-button-cancel)
Submit (.elgg-button-submit)
Special (.elgg-button-special)
Delete (.elgg-button-delete)