div#dropZone {
    background: gray;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 999;
    opacity: 0.6;
    visibility: hidden;
}

.boxH {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
}
.boxV {
    height: 100%;
    display: flex;
    flex-direction: row;
    align-items: center;
}
.boxM{
    padding: 3em;
}

header {
    font-family: 'Roboto', sans-serif;
    text-align: center;
    margin: 20px 0
}

header .logo h1 {
    font-size: 3.5em;
    margin: 0
}

header .logo h1 a {
    text-decoration: none;
    color: #000
}

header .logo h1 a,header .logo h1 a:hover,header .logo h1 a:visited {
    color: #000;
    background-color: transparent
}

header .logo .subtitle {
    color: #a0a0a0;
    margin-top: 5px;
    font-family: 'Roboto', sans-serif;
}

header .logo .subtitle a {
    color: #a0a0a0;
    text-decoration: none
}

pre {
    background-color: #eee;
    padding: 10px;
    font-size: 11px
}

a {
    color: #000
}

a:visited {
    color: #666
}

ul {
    padding-inline-start: 0px;
}

footer {
    text-align: center;
    font-family: 'Roboto', sans-serif;
}

footer ul li {
    display: inline-block;
}

footer .affiliation {
    margin-top: 50px;
    color: #afafaf;
    font-size: 10px
}