You can use one of the pre-defined themes or completely custom style your boost button.

Possible themes are: alby, hey, figma, figma-filled, next, next-filled, bootstrap, bootstrap-filled, gumroad, spotify

To customize the style use your own CSS class or style.

hey boooooost! Spotify boooooost!

HTML

<simple-boost class="hey" address="hello@getalby.com">
  boooooost!
</simple-boost>
<simple-boost class="spotify" address="hello@getalby.com">
  boooooost!
</simple-boost>
<simple-boost
  style="border:1px solid red; padding:5px"
  address="hello@getalby.com"
></simple-boost>