* {
    box-sizing: border-box;
}

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

body {
    min-height: 100vh;

    background: #111;
    color: #eee;

    font-family: Arial, Helvetica, sans-serif;

    display: flex;
    flex-direction: column;
}

.hero {
    flex: 1;

    display: flex;
    flex-direction: column;

    align-items: center;
    justify-content: center;

    padding: 40px;

    text-align: center;
}

h1 {
    margin: 0;

    font-size: 48px;
    font-weight: 600;
}

.subtitle {
    margin-top: 16px;

    color: #aaa;
    font-size: 20px;
}

.game {
    margin-top: 40px;

    color: #ccc;
    font-size: 18px;
}

footer {
    padding: 24px;

    color: #777;
    font-size: 14px;

    text-align: center;
}