body {
    margin: 0;
    font-family: 'Courier New', Courier, monospace;
    background-color: black;
    color: rgb(0, 255, 0);
}

p {
    white-space: pre;
    margin-left: 15px;
}

header {
    background-color: black;
    padding: 10px;
    text-align: center;
}

header a {
    color:  rgb(0, 255, 0);
    text-decoration: none;
    margin: 0 15px;
    font-weight: bold;
}

header a:hover {
    text-decoration: underline;
}

.container {
    padding: 20px;
}

footer {
    text-align: center;
    padding: 10px;
    background-color: black;
    color: rgb(0, 255, 0);
    position: fixed;
    width: 100%;
    bottom: 0;
}