* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    height: 100%;
}

head,
body {
    font-family: Arial, Helvetica, sans-serif;
}

body {
    padding: 2rem;

    background-color: black;
    background-attachment: fixed;
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;

    color: #ffffff;
    text-shadow: 2px 2px 8px #000000;
    min-height: 100%;

    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}