h1 {
font-size:1000%;
}
h1,li,footer {
text-align:center;
}
div {
margin-right:auto;
margin-left:auto;
}
li {
font-size:500%;
list-style:none;
width:25%;
float:left;
position: relative;
left: 12%;
}
footer {
position: absolute;
bottom: 20px;
left: 630px;
}
ul:after {
content:"";
display:block;
clear:both;
}
ul {
padding:0;
}