html,
body {
    height: 100%;
}

body {
    margin: 0;
    overflow: hidden;
}

main {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
}

h1 {
    margin: 0;

    font-size: 20vw;

    font-weight: normal;
}