<.card_header>
  <.card_title>Account</.card_title>
  <.card_description>Manage your account settings.</.card_description>
</.card_header>
<.card_content>
  <p>Your plan: <strong>Pro</strong></p>
</.card_content>
<.card_footer>
  <.button size="sm">Save changes</.button>
</.card_footer>