* {margin:0; padding:0;}
 
 nav {
     margin:auto;
     text-align: center;
     width: 100%;
     font-family: arial;
 } 
 nav ul {
     background:#004d00;
     padding: 0 20px;
     list-style: none;
     position: relative;
     display: inline-table;
     width: 100%;
 }
 nav ul li{
     float:left;
 }

 nav ul li:hover{
     background:#d68d9a;
 }

 nav ul li:hover a{
     color:#000;
 }

 nav ul li a{
     display: block;
     padding: 25px;
     color: #fff;
     text-decoration: none;