body{
    margin: 0;
    font-family: system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue","Noto Sans","Liberation Sans",Arial,sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol","Noto Color Emoji";
    font-size: 1rem;
    display: table;
    height: 100vh;
    width: 100vw;
}

h1{
    display: table-cell;
    text-align: center;
    vertical-align: middle;
    margin-top: 0;
    margin-bottom: .5rem;
    font-size: 2.5rem;
    font-weight: 500;
    line-height: 1.2;
}