body {
    font-family: Arial, sans-serif;
    background: #f5f5f5;
    margin: 0;
    padding: 0;
}

.container {
    max-width: 800px;
    margin: 50px auto;
    background: white;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

h1 {
    color: #333;
    margin-bottom: 10px;
}

.benvenuto {
    background: #e8f5e9;
    color: #2e7d32;
    padding: 15px;
    border-left: 4px solid #4caf50;
    border-radius: 4px;
    margin-bottom: 30px;
    font-size: 1.1em;
}

.negato {
    background: #ffebee;
    color: #c62828;
    padding: 15px;
    border-left: 4px solid #f44336;
    border-radius: 4px;
    margin-bottom: 20px;
}

.info {
    background: #e3f2fd;
    padding: 15px;
    border-left: 4px solid #2196f3;
    border-radius: 4px;
    margin-bottom: 20px;
}

button, .button {
    padding: 12px 24px;
    background: #f44336;
    color: white;
    border: none;
    border-radius: 5px;
    font-size: 1em;
    cursor: pointer;
    transition: background 0.3s;
    text-decoration: none;
    display: inline-block;
}

button:hover, .button:hover {
    background: #d32f2f;
}

form {
    display: inline;
}

a {
    color: #2196f3;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}