HTML

<div id='burasbar'>
<a href="#" class="burastabs">Home</a>
<a href="#" class="burastabs">About</a>
<a href="#" class="burastabs">Blog Tips</a>
<a href="#" class="burastabs">SEO Tips</a>
<a href="#" class="burastabs">Contact</a>
<a href="#" class="burastabs">Sitemap</a>
<a href="#" class="burastabs">Advertise</a>
</div>


CSS

 a.burastabs, a.burastabs:link, a.burastabs:visited {display:block; width:102px; height:30px; background:#444444; border:1px solid #ebebeb; margin-top:2px; text-align:center; text-decoration:none; font-family:arial, sans-serif; font-size:12px; font-weight:bold;color:#FFFFFF; line-height:25px; overflow:hidden; float:left;}
    a.burastabs:hover {color:#FFFFFF; background:#666666;}
    #burasbar {width:auto; margin:0 auto;}