body, html{
    background: black;
    color: white;
    text-align: center;
}

.visible p{
    display: block;
    padding: 1rem 2rem;
    font-size: 1rem;
    text-transform: uppercase;
}

.hidden p{
    display: none;
}

#insert {
    font-size: 0;
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center; 
}