body {
    font-family: "Tahoma", sans-serif;
    direction: rtl;
    background-color: #f5f5f5;
    margin: 0;
    padding: 0;
}

header {
    background-color: #333;
    color: #fff;
    padding: 15px 20px;
    text-align: center;
}header h1 {
    margin: 0;
}

nav ul {
    list-style: none;
    padding: 0;
    display: flex;
    justify-content: center;
}

nav ul li {
    margin: 0 15px;
}

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

.container {
    width: 80%;
    margin: 20px auto;
    background-color: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.1);
}

.book-list {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
}

.book-item {
    background: #f9f9f9;
    padding: 15px;
    border-radius: 8px;
    width: 30%;
}

footer {
    background-color: #333;
    color: #fff;
    text-align: center;
    padding: 10px;
}
.book-cover {
    width: 100%;
    max-width: 150px; /* تنظیم عرض دلخواه */
    height: auto;
    display: block;
    margin: 0 auto 10px auto;
    border-radius: 4px;
}