html, body {
    margin: 0;
    padding: 0;
    background-color: black;
    text-align: center;
}
header, footer{
    font-family: monospace;
    background-color: darkGreen;
}
header h1{
    margin: 0;
    padding: 0.5em;
}
header nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    margin: 0;
}
header nav a {
    background-color: forestGreen;
    padding: 0px 20px;
    outline: 1px solid black;
}
header nav a:hover {
    background-color: darkGreen;
}
p {
    font-size: 1.5rem;
    color: lightGreen;
}