html {
    height: 100%;
}
body {
    background-color: black !important;
}
header {
    color: white;
    text-align: center; 
    font-size: xx-large;
    font-family: monospace;
    padding: 20px;
}
p {
    color: white;
    text-align: center;
    font-size: medium;
    font-family: monospace;
    padding: 20px;
}