Changed around line 1
+ body {
+ font-family: 'Arial', sans-serif;
+ margin: 0;
+ padding: 0;
+ background-color: #f4f4f9;
+ color: #333;
+ }
+
+ .header {
+ background-color: #6200ee;
+ color: white;
+ padding: 2rem;
+ text-align: center;
+ }
+
+ .header h1 {
+ margin: 0;
+ font-size: 2.5rem;
+ }
+
+ .header p {
+ margin: 0.5rem 0 0;
+ font-size: 1.2rem;
+ }
+
+ .categories {
+ background-color: #3700b3;
+ padding: 1rem;
+ text-align: center;
+ }
+
+ .categories ul {
+ list-style: none;
+ padding: 0;
+ margin: 0;
+ display: flex;
+ justify-content: center;
+ }
+
+ .categories li {
+ margin: 0 1rem;
+ }
+
+ .categories a {
+ color: white;
+ text-decoration: none;
+ font-size: 1.1rem;
+ }
+
+ .category {
+ padding: 2rem;
+ }
+
+ .category h2 {
+ color: #6200ee;
+ margin-bottom: 1rem;
+ }
+
+ .book-list {
+ display: grid;
+ grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
+ gap: 1rem;
+ }
+
+ .book {
+ background-color: white;
+ padding: 1rem;
+ border-radius: 8px;
+ box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
+ text-align: center;
+ }
+
+ .book h3 {
+ margin: 0;
+ font-size: 1.2rem;
+ }
+
+ .book a {
+ color: #6200ee;
+ text-decoration: none;
+ }
+
+ .rating {
+ color: #ffc107;
+ font-size: 1.1rem;
+ margin-top: 0.5rem;
+ }
+
+ .footer {
+ background-color: #3700b3;
+ color: white;
+ text-align: center;
+ padding: 1rem;
+ margin-top: 2rem;
+ }
+
+ @media (max-width: 768px) {
+ .categories ul {
+ flex-direction: column;
+ }
+
+ .categories li {
+ margin: 0.5rem 0;
+ }
+
+ .book-list {
+ grid-template-columns: 1fr;
+ }
+ }