#main {
width:800px;
margin-left:auto;
margin-right:auto;
text-align:center;

}
#heading {
font-family: Georgia, "Times New Roman", Times, serif;
font-size: 50px;
width:100%;
}
ul{
list-style:none;
clear:left;
width:100%;
margin-left:0px;
padding:0px;
}
ul li{
float:left;
height:160px;
width:160px;
margin:0px;
text-align:center;
}
#footer{
}