body {
  background: #003CB3;
  color: black;
  font-family: Georgia;
}

ul{
  list-style-type: none;
  margin: 0;
  padding: 0;
  overflow: hidden;
  background-color: #333;
}
  
li{
  float: left;  
  }

li a {
  display: block;
  color: white;
  padding: 14px 16px;
  text-decoration: none;
}

li a:hover{
  background-color: #111;  
  }