#nav{
padding:10px;
}

nav a{
padding-left:10px;
padding-right:10px;
color:green;
text-decoration:none;
}

.menu{
width:100%;
border: 0px solid black;
margin: 15px 0px 15px 0px;
padding:10px;
background-color:#FFCC33;
}

.menu a{
text-decoration:none;
padding:10px;
}

.menu a:hover{
background-color:yellow;
}