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

body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f4f4f4;
    padding: 20px;
}

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

header {
    text-align: center;
    margin-bottom: 20px;
}

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

header p {
    font-size: 1em;
    color: #666;
}

main section {
    margin-bottom: 20px;
}

main h2 {
    font-size: 1.5em;
    margin-bottom: 10px;
    color: #444;
}

main p {
    font-size: 1em;
    margin-bottom: 10px;
}

main ul {
    list-style: disc;
    margin-left: 20px;
}

main ul li {
    margin-bottom: 5px;
}

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

a:hover {
    text-decoration: underline;
}

@media (max-width: 600px) {
    body {
        padding: 10px;
    }

    .container {
        padding: 15px;
    }

    header h1 {
        font-size: 1.5em;
    }

    main h2 {
        font-size: 1.2em;
    }
}