.center {
    display: block;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
    white-space: nowrap;
}
.spacing {
    letter-spacing: 30px;
}

.titlesize {
    font-size: 40px;
}

.menubar {
    list-style-type: none;
    margin: 0;
    padding: 20px;
    color: black;

}

.menubar li {
    display: inline-block;
}
.menubar a {
    width: 60px;
    white-space: nowrap;
    color: black;
    padding: 20px;
    margin: 60px;
    font-size: 20px;
    text-decoration: none;
}

.menubar a:hover {
    color: white;
    background-color: black;
}