.img-center {
    display: block;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 0.5em;
}

.pure-menu-heading {
    background: white;
}

.notice {
    font-size: 80%;
}

.copyright {
    margin-top:50px;
    float:right;
    font-size:70%;
}