body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
    color: #333;
}

header {
    background: #fff;
    padding: 10px 0;
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

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

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

nav ul li a {
    text-decoration: none;
    color: #333;
    font-weight: bold;
}

section {
    padding: 40px 20px;
    max-width: 800px;
    margin: 60px auto;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.btn {
    display: inline-block;
    padding: 10px 20px;
    background: #007BFF;
    color: #fff;
    text-decoration: none;
    border-radius: 5px;
    margin-top: 10px;
}

footer {
    text-align: center;
    padding: 15px;
    background: #333;
    color: #fff;
}

.image-container {
    float: left;
    width: 30%;
    margin-right: 20px;
}

.image-container img {
    width: 100%;
    border-radius: 8px;
}