html, body {
    background: #000;    
    height: 100vh;
    margin: 0;
    font-size: smaller;
}

/* 2. Center everything horizontally and vertically */
body {
    display: flex;
    justify-content: center; /* Horizontal center */
    align-items: center;     /* Vertical center */
}

p {
  text-align: center;
  bottom: 0;
  color: #0A0;
}

/* 3. Style the pre tag */
pre {
    text-align: center;      /* Center multiline text relative to itself */
    white-space: pre-wrap;   /* Preserve formatting while allowing text to wrap on small screens */
    margin: 0;
}

a:visited, a:link {
    color: #0F0;
    text-decoration: none;
}

a:hover {
    color: #5F5;
    text-decoration: none;
}

a:active {
    color: #0B0;
    text-decoration: none;
}