body{
    background-color: rgb(4, 79, 241, 0.952);
}   

 ul li a:hover {
  background-color: #111111;
}
    
ul {
  list-style-type: none;
  margin: 0;
  padding: 0;
  overflow: hidden;
  background-color: #333333;
}

ul li a {
  float: left;
}
ul li a {
  display: block;
  color: white;
  text-align: center;
  padding: 14px 16px;
  text-decoration: none;
}
h1{
  text-align: center;
}