.map {
    display: flex;
    justify-content: center;
}

#header {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 10px 20px;
    background-color: #810000;
    color: white;
    font-size: 16px;
    position: relative;
}

#header div {
    flex: 1;
    text-align: center;
}

#instruction {
    font-weight: bold;
}