body {background-color:lightgoldenrodyellow;}

h1{color:darkolivegreen;}

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

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