body,
html {
    height: 100%;
}

.center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 50%;
    text-align: center;
}

.logof {
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center center;
    display: inline-block;
}

.logo {
    width: 40%;
    height: 100%;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center center;
    display: inline-block;
}

.logopmm {
    background-image: url('/pmmdijon.jpg');
}

.logomn {
    background-image: url('/logomn.svg');
}

.copyright {
    position: fixed;
    bottom: 10px;
    right: 10px;
    font-weight: 300;
    opacity: 0.3;
    font-size: 13px;
}