body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f9f9f9;
}

header, h1, h2, h3 {
    color: white;
    text-align: center;
    background-color: #000000;
}

a {
    color: #007BFF;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

.container {
    width: 80%;
    margin: 0 auto;
    padding: 20px;
    background-color: #fff;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
}

p {
    line-height: 1.6;
}

header {
    background-color: #000000;
    color: #fff;
    padding: 20px 0;
    margin-bottom: 20px;
    border-radius: 8px 8px 0 0;
}