body {
    margin: 0;
    font-family: Arial, sans-serif;
    background-image: url('86d1a1d738e42cc0335af71fe2d431ad.jpg');
    background-size: cover;
    background-position: center;
    color: white;
}

nav {
    background-color: rgba(0, 0, 0, 0.6);
    padding: 10px;
    text-align: center;
}

nav a {
    color: white;
    text-decoration: none;
    margin: 0 15px;
    font-weight: bold;
}

.container {
    background-color: rgba(0, 0, 0, 0.5);
    margin: 100px auto;
    padding: 40px;
    width: 90%;
    max-width: 800px;
    border-radius: 10px;
}