:root {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
}

html, body {
    min-height: 100vh;
    margin: 0;
    padding: 0;
}

#main {
    height: 100vh;
    display: grid;
    place-items: center;
}