.main-div {
    align-content: center;
    height: 100%;
    padding:3%;
    text-align:center;
}

.main-div > div {
    display: inline-block;
    height: 100%;
    vertical-align: top;
}

.main-menu {
    color: #606060;
    font-family: 'Nunito Sans', sans-serif;
    font-size: x-large;
    text-align: right;
}

.main-menu a, .main-menu a:visited {
    color: #606060;
    padding: 0 7px;
    text-decoration: none;
}