/* General Styles */
body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
    text-align: center;
}

/* Fade-in Effect */
.fade-in {
    opacity: 0;
    animation: fadeIn 1.5s ease-in forwards;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* Header */
header {
    background-color: #333;
    color: white;
    padding: 20px 0;
}

/* Menu Styling */
.menu-container {
    background-color: #444;
    padding: 10px 0;
}

.menu {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    justify-content: center;
}

.menu li {
    margin: 0 15px;
}

.menu a {
    text-decoration: none;
    color: white;
    font-size: 18px;
    font-weight: bold;
    padding: 8px 15px;
    transition: 0.3s;
}

.menu a:hover {
    background-color: #666;
    border-radius: 5px;
}

/* Main Content */
.container {
    padding: 50px;
    font-size: 20px;
    font-weight: bold;
}

/* Book Table */
.book-table {
    width: 100%;
    margin-top: 30px;
    border-collapse: collapse;
    border: 1px solid #ddd;
}

.book-table th, .book-table td {
    padding: 12px;
    text-align: left;
    border: 1px solid #ddd;
}

.book-table th {
    background-color: #333;
    color: white;
}

.book-table tr:nth-child(even) {
    background-color: #f2f2f2;
}

/* Footer */
footer {
    background-color: #222;
    color: white;
    padding: 15px 0;
    margin-top: 20px;
    font-weight: bold;
}