Centre un menu html

   <ul>
 <li><a href="#">Accueil</a></li>
 <li><a href="c:/Nicolas/HTML/inscription.html">Inscription</a></li>
 <li><a href="c:/Nicolas/HTML/contacter.html">Contact</a></li>
</ul>             

ul {
 padding:0;
 margin:0;
 list-style-type:none;
 }
li {
 margin-left:1px;
 float:left; /*pour IE*/
 }
ul li a {
 display:block;
 float:left;   
 width:150px;
 background-color:#6495ED;
 color:black;
 text-decoration:none;
 text-align:center;
 padding:5px;
 border:0px solid;
 /*pour avoir un effet "outset" avec IE :*/
 border-color:#DCDCDC #696969 #696969 #DCDCDC;
 }
ul li a:hover {
 background-color:#D3D3D3;
 border-color:#696969 #DCDCDC #DCDCDC #696969;
 }