Example

• home
• about us
• products
• services
• contact

ul#minitabs{list-style: none;margin: 0;padding: 7px 0;
  border-bottom: 1px solid #CCC;font-weight: bold;
  text-align: center;white-space: nowrap}
ul#minitabs li{display: inline;margin: 0 3px}
ul#minitabs a{text-decoration: none;padding: 0 0 3px;
  border-bottom: 4px solid #FFF;color: #999}
ul#minitabs a#current{border-color: #F60;color:#06F}
ul#minitabs a:hover{border-color: #F60;color: #666}

<ul id="minitabs">
  <li><a href="#">home</a></li>
  <li><a id="current" href="#">about us</a></li>
  <li><a href="#">products</a></li>
  <li><a href="#">services</a></li>
  <li><a href="#">contact</a></li>
</ul>