body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    margin: 0;
    padding: 0;
    color: #333;
    line-height: 1.6;
    text-align: center;
}
.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
}

header,
section {
    background-color: #fff;
    padding: 20px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    margin-bottom: 20px;
}

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

p {
    text-align: center;
    font-size: 1.1em;
}

section h3 {
    margin-top: 0;
    color: #444;
}

nav ul {
    list-style: none;
    padding: 0;
}

nav ul li {
    display: inline-block;
    margin-right: 20px;
}

nav ul li a {
    text-decoration: none;
    color: #0077cc;
    transition: color 0.3s ease;
}
nav ul li a:hover {
    color: #004a9f;
}