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

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    background-color: #f4f4f4;
    color: #333;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

header {
    background-color: #007bff;
    color: #fff;
    padding: 20px;
    text-align: center;
}

header h1 {
    margin: 0;
    font-size: 2.5em;
}

main {
    flex: 1;
    padding: 20px;
    background-color: #fff;
    border: 1px solid #ddd;
    border-radius: 8px;
    margin: 20px auto;
    width: 90%;
    max-width: 800px;
}

main section {
    margin-bottom: 20px;
}

main h2 {
    font-size: 1.8em;
    margin-bottom: 10px;
    color: #007bff;
}

main p {
    margin-bottom: 10px;
    line-height: 1.8;
}

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

main a {
    color: #007bff;
    text-decoration: none;
    transition: color 0.3s;
}

main a:hover {
    color: #0056b3;
}

.footer {
    background-color: #333;
    color: #fff;
    text-align: center;
    padding: 10px 20px;
}

.footer nav {
    margin-bottom: 10px;
}

.footer nav a {
    color: #fff;
    text-decoration: none;
    margin: 0 10px;
    transition: color 0.3s;
}

.footer nav a:hover {
    color: #007bff;
}

.footer p {
    margin: 0;
}

@media (max-width: 600px) {
    header h1 {
        font-size: 2em;
    }

    main {
        padding: 10px;
        width: 95%;
    }

    main h2 {
        font-size: 1.5em;
    }

    .footer nav a {
        display: block;
        margin: 5px 0;
    }
}