body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f5f5f5;
    color: #333;
}
header {
    background-color: #006400;
    color: white;
    padding: 1em;
    text-align: center;
}
nav {
    margin-top: 10px;
}
nav a {
    margin: 0 10px;
    text-decoration: none;
    color: white;
    font-weight: bold;
}
nav a:hover {
    text-decoration: underline;
}
main {
    padding: 2em;
    text-align: center;
}
.main-image {
    max-width: 90%;
    height: auto;
    border: 2px solid #ccc;
    border-radius: 8px;
}
.gallery img {
    max-width: 300px;
    margin: 10px;
    border: 2px solid #ccc;
    border-radius: 5px;
    transition: transform 0.2s ease;
}
.gallery img:hover {
    transform: scale(1.05);
}
footer {
    background-color: #eee;
    text-align: center;
    padding: 1em;
    font-size: 0.9em;
    color: #555;
    margin-top: 2em;
}
.avviso {
    color: red;
    font-weight: bold;
    font-size: 3.5em;
    text-align: center;
    margin-bottom: 1em;
}