Menu navigatore orizzontale 2

<div id="contenitoremenu">
<ul id="listamenu">
<li id="elementoattivo"><a href="#">Home</a></li>
<li><a href="#">Chi sono</a></li>
<li><a href="#">Portfolio lavori</a></li>
<li><a href="#">Servizi</a></li>
<li><a href="#">Contatti</a></li>
</ul>
</div>

#contenitoremenu {
   padding-top: 5px;
}

#listamenu {
   border-bottom-width: 1px;
   border-bottom-style: dotted;
   border-bottom-color: #CCC;
   padding-top: 0px;
   padding-right: 0px;
   padding-bottom: 20px;
   padding-left: 10px;
   margin: 0px;
}

#listamenu ul, #listamenu li {
   margin: 0;
   padding: 0;
   display: inline;
   list-style-type: none;
}

#listamenu a:link, #listamenu a:visited {
   float: left;
   line-height: 16px;
   font-weight: bold;
   margin: 0 10px 4px 10px;
   text-decoration: none;
   color: #999;
   border-top-width: 8px;
   border-bottom-width: 8px;
   border-top-style: solid;
   border-bottom-style: solid;
   border-top-color: #FFF;
   border-bottom-color: #FFF;
}

#listamenu a:hover, #listamenu a:active {
   padding-bottom: 2px;
   color: #000;
   border-bottom-width: 8px;
   border-bottom-style: solid;
   border-bottom-color: #F30;
   border-top-width: 8px;
   border-top-style: solid;
   border-top-color: #F30;
}

#listamenu li#elementoattivo a:link, #listamenu li#elementoattivo a:visited {
   padding-bottom: 2px;
   color: #000;
   border-bottom-width: 8px;
   border-bottom-style: solid;
   border-bottom-color: #F30;
   border-top-width: 8px;
   border-top-style: solid;
   border-top-color: #CCC;
}

#listamenu li#elementoattivo a:hover, #listamenu li#elementoattivo a:active {
   padding-bottom: 2px;
   color: #000;
   border-bottom-width: 8px;
   border-bottom-style: solid;
   border-bottom-color: #F30;
   border-top-width: 8px;
   border-top-style: solid;
   border-top-color: #F30;
}