body {
    font-family: Arial, sans-serif;
    max-width: 900px;
    margin: auto;
    padding: 20px;
    line-height: 1.6;
}

header {
    text-align: center;
    padding: 40px 0;
}

h1 {
    font-size: 42px;
}

h2 {
    margin-top: 50px;
    border-bottom: 1px solid #ccc;
    padding-bottom: 10px;
}

section {
    margin-bottom: 40px;
}

img {
    max-width: 100%;
    display: block;
    margin: 20px auto;
}

footer {
    text-align: center;
    margin-top: 60px;
}