body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    line-height: 1.6;
}

header {
    background: #333;
    color: #fff;
    padding: 1rem 0;
    text-align: center;
}

header h1 {
    margin: 0;
}

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

nav ul li {
    display: inline;
    margin: 0 10px;
}

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

section {
    padding: 2rem 1rem;
    text-align: center;
}

.hjkdg{
    max-width: 1200px;
    margin: 0 auto;
}
section#home {
    background: #f4f4f4;
}

section#ebooks {
    background: #fff;
}

.ebook {
    margin: 2rem 0;
}

.ebook img {
    max-width: 17%;
    height: auto;
    display: block;
    margin: 0 auto 1rem;
}

section#testimonials {
    background: #f4f4f4;
}

section#about {
    background: #fff;
}

section#contact {
    background: #f4f4f4;
}

.cta-button {
    display: inline-block;
    padding: 10px 20px;
    margin: 10px 0;
    background: #333;
    color: #fff;
    text-decoration: none;
}

.cta-button:hover {
    background: #555;
}

footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 1rem 0;
}

footer a {
    color: #fff;
    text-decoration: none;
}