body {
    margin: 0;
    padding: 0;
    background: url('../odpf/odpf-images/fond-editions.png') no-repeat center fixed;
    background-size: cover;
}

#parent {
    display: table;
    width: 100%;
    height: 200px;
    text-align: center;
}

#child {
    display: table-cell;
    vertical-align: middle;
}