* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: #000;
    color: darkgreen;

    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 2rem;
    text-align: center;
}