button

CSS elements/button.css
classless native buttons
classless type reset
classless role="button"
a role button span role button

CSS classes modifiers

type="reset" | class="is-reset"
a role button span role button
class="is-secondary"
a role button span role button
class="is-link"
class="is-large"
a role button span role button
class="is-small"
a role button span role button

buttons with icons

.is-icon
.is-link.is-icon
classless
classless