body {
    margin: 0;
    padding: 0;
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f9f9f9;
    color: #333;
}

.principal {
    display: flex;
    justify-content: center;
    padding: 40px 20px;
}

.container {
    background-color: #ffffff;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    max-width: 900px;
    width: 100%;
}

h1 {
    color: #6a0dad;
    font-size: 3em;
    text-align: center;
    margin-bottom: 0.2em;
}

h2 {
    color: #444;
    text-align: center;
    font-size: 1.8em;
    margin-bottom: 1em;
}

h3 {
    color: #6a0dad;
    margin-top: 1.5em;
    font-size: 1.4em;
    border-bottom: 2px solid #ddd;
    padding-bottom: 4px;
}

ul {
    list-style-type: none;
    padding-left: 0;
    line-height: 1.6;
}

ul li {
    margin-bottom: 0.5em;
}

a {
    color: #6a0dad;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

hr {
    border: none;
    border-top: 2px solid #ddd;
    margin: 20px 0;
}

p {
    text-align: justify;
    line-height: 1.8;
    font-size: 1.05em;
}