body {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin: 0;
    font-family: 'Courier New', Courier, monospace;
    background: url('/lines-alpha-anim.gif') repeat;
    color: #fff;
}

.background {
    position: fixed;
    width: 100%;
    height: 100%;
    z-index: -1;
}

header {
    width: 100%;
    background-color: #333;
    color: #fff;
    text-align: center;
    padding: 10px 0;
}

nav {
    margin-top: 10px;
}

nav ul {
    list-style-type: none;
    padding: 0;
    display: flex;
    justify-content: center;
    gap: 20px;
}

nav ul li {
    display: inline;
}

nav ul li a {
    text-decoration: none;
    color: #fff;
    padding: 10px 20px;
    border: 2px solid #fff;
    background-color: #333;
    border-radius: 4px;
    transition: background-color 0.3s;
}

nav ul li a:hover {
    background-color: #555;
}

main {
    width: 100%;
    max-width: 800px;
    margin: 20px;
}

.poem {
    text-align: center;
    background-color: #222;
    border: 3px double #ff0000;
    padding: 10px;
    margin-top: 30px;
    margin-bottom: 20px;
}

.date {
    font-size: 12px;
    color: #ccc;
    border-bottom: 1px double #3d3d3d;
    margin-bottom: 5px;
    text-align: left;
    display: block;
}