Horizontal Navigation Bar Examples Code Css

.nav ul{list-style: none;
               margin: 0;
               padding: 0;
               overflow: hidden;
               background-color: #f1f1f1;
               height:60x;
}

.nav ul li{float: left;}

.nav ul li a{
  display:block;
  color: #000;
 text-align: center;
 padding: 14px 16px;
 text-decoration: none;
}

.nav ul li a:hover{background-color: #555;
    color: white;
}

.active {
    background-color: #4CAF50;
    color: white;
}