.center-screen {
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    min-height: 90vh;
}

#fro {
    display: flex;
    flex-direction: column;
    align-items: center;
}

#title {
    font-size: 10vw;
}

#subtitle {
    font-size: 2vw;
}

#subsubtitle {
    font-size: 1.3vw;
}