body {
    background-color: #001100;
    color: #00ff00;
    font-family: "Courier New", monospace;
    margin: 0;
    padding: 0;
}

header, .descripcion, footer {
    padding: 20px;
    border-bottom: 1px solid #00aa00;
}

h1, h2 {
    color: #00ff00;
}

main {
    padding: 20px;
}

.card {
    border: 1px solid #00aa00;
    padding: 15px;
    margin-bottom: 20px;
}

.card img {
    max-width: 200px;
    display: block;
    margin-bottom: 10px;
    border: 1px solid #00aa00;
}

a {
    color: #00ff00;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}