* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    background-color: #f9f9f9;
    color: #333;
}

.container {
    width: 80%;
    margin: 0 auto;
}

header {
    background-color: #007BFF;
    color: white;
    padding: 20px 0;
    text-align: center;
}

header h1 {
    font-size: 2.5em;
    margin-bottom: 10px;
}

header .intro {
    font-size: 1.2em;
}

section {
    padding: 30px 0;
}

section h2 {
    font-size: 1.8em;
    margin-bottom: 15px;
    color: #007BFF;
}

ul, ol {
    margin-left: 20px;
}

ul li, ol li {
    margin-bottom: 10px;
}

footer {
    background-color: #333;
    color: white;
    text-align: center;
    padding: 10px 0;
}

footer a {
    color: #FFD700;
    text-decoration: none;
}

footer p {
    margin-top: 10px;
    font-size: 0.9em;
}