.center_dm_ru_chat {  
  padding:0;  
  width:388px;  
  background:#F4F5F6;  
  border:#7c7c7c 1px solid;  
  }  
   
  .handle{  
  margin:0;  
  padding:0  
  }

<script type="text/javascript" src="http://3week.clan.su/img6/mini_chat_dm.js"></script>  
  <div class="center_dm_ru_chat">  
  <a class="handle" href="#">Мини-чат</a>  
  $CHAT_BOX$  
  </div>