head {
  background-color: white;
}
header {
  font-family: serif;
  text-align: center;
}
body {
  background-image: url(images/marble.jpg);
  font-family: Helvetica, Arial, Sans-Serif;
  text-align: center;
}
.nav{
    border:1px solid #ccc;
    border-width:1px 0;
    list-style:none;
    margin:0;
    padding:0;
    text-align:center;
}
.nav li{
    display:inline;
}
.nav a{
    display:inline-block;
    padding:10px;
}

.float {
  float: left;
}
p {
    margin-left: 0px;
    overflow:auto;
    display:block;

}
footer {
  text-align: center;
}