Designing the button - Sign in with Linkedin - using Twitter Bootstrap

in® Sign in with Linkedin

<a href="/third_party_authentication/linkedin" class="btn btn-info btn-large" style="padding-top:3px;padding-bottom:3px;">
  <strong>
    <span style="font-size: 22px">in<span style="font-size:5px">®</span></span>
    <span style="height: 40px;margin: 0 9px;border-right: 1px solid lightgray;border-left: 1px solid slategray;margin-left: 3px"></span>
    Sign in with Linkedin
  </strong>
</a>