put some css in profile suscription

HI i want to add some css to the subscriptions option in profile in the tab of view, where in code module are this ?

<dl>
  <dt></dt>

<dd>Manage <a href="/user/1/edit/newsletter">my subscriptions</a></dd>
<dt>Current subscriptions</dt>
<dd><a href="/taxonomy/term/8">newsletter</a></dd>
</dl>

i want to add some css classes to custom the design of this part