#menu {
    list-style-type: none;
    margin:0%;
    padding:0%;
    overflow:hidden;
    text-align:center;
}
li {
    display:inline;
}
li a {
    color:black;
    font-size:small;
    text-decoration: none;
    padding: 50px;
    font-family:Verdana, Geneva, Tahoma, sans-serif;
    display:inline;
}
li a:hover {
    background-color:#00ced1;
    text-decoration:underline;
    font-size: medium;
}