body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #f4f6f8;
}

/* Regola comune per tutte le pagine */
.container {
    max-width: 900px;     /* larghezza massima */
    margin: 0 auto;       /* centrato */
    padding: 20px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 15px;
}

th, td {
    border: 1px solid #ddd;
    padding: 8px;
}

th {
    background: #f0f0f0;
    text-align: left;
}