ul{ 
background-color: black;
list-style-type: none;	
margin: 0;
padding: 0;
overflow: hidden;
}
li{
float: right;
}

li a{

display: block;
color: white;
padding: 15px 30px;
text-decoration: none; 
}

footer{
position: fixed;
left: 0;
bottom: 0;
width: 100%;
background-color: black;
color: white;
text-align: center;
 }