* {
  margin:0;
  padding:0;
}

ul {
  list-style-type:none;
}

ul li {
  cursor:pointer;
  float:left;
  display:block;
  margin:0 0.5em 0 0.5em;
  padding:0.5em 1em 0.5em 1em;
  border:0.25em solid #ffffcc;
  text-align:center;
  font-weight:bold;
  color:#ffffff;
  background:#003366;
}

ul li:hover {
  border:0.25em solid #003366;
  color:#003366;
  background:#ffffcc;
}