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

body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    background-color: #eef2f7;
}

header {
    background-color: #336699;
    color: #fff;
    padding: 10px 0;
    text-align: center;
}

header h1 {
    margin: 0;
    font-size: 24px;
}

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

nav ul li {
    display: inline;
    margin: 0 15px;
}

nav ul li a {
    color: #fff;
    text-decoration: none;
    font-weight: bold;
}

section {
    padding: 20px;
    text-align: center;
    background-color: #fff;
    margin: 20px 0;
}

section img {
    width: 100%;
    height: auto;
}

section h2 {
    margin: 15px 0;
    color: #336699;
}

.content {
    max-width: 800px;
    margin: 0 auto;
    text-align: left;
}

footer {
    background-color: #336699;
    color: #fff;
    text-align: center;
    padding: 10px 0;
    position: fixed;
    width: 100%;
    bottom: 0;
}

footer p {
    margin: 5px 0;
}

@media (max-width: 768px) {
    nav ul li {
        display: block;
        margin: 10px 0;
    }

    .content {
        padding: 0 15px;
    }
}