@charset=utf-8;

html, body {
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
    background-color: #ccc;
}

body {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    font-size: 1.4em;
    font-family: "Courier New", monospace;
    font-weight: bold;
}