.site {
    background: grey; 
    display: flex; 
    align-items: center; 
    justify-content: center;
}
#reveal {
    line-height: 1.2; 
    font-size: 10rem;
    font-family: Young Serif, Tofu;
    padding: 5rem;
    border-radius: 0.5em;
    outline: none;
}