.container3 {
    max-width: 800px;
    margin: 20px auto;
    padding: 20px;
    background: #fff;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

header h1 {
    font-size: 2em;
    margin-bottom: 10px;
    color: #0056b3;
    text-align: center;
}

section h2 {
    font-size: 1.5em;
    margin-bottom: 10px;
    color: #333;
    border-bottom: 2px solid #0056b3;
    padding-bottom: 5px;
}

p {
    margin-bottom: 15px;
    text-align: justify;
}

a {
    color: #0056b3;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}