*{box-sizing:border-box}html,body{height:100%}body{font-family:Arial,Helvetica,sans-serif;margin:0;padding:0;background-color:#f3f3f3;color:#111;display:flex;flex-direction:column}.header{background-color:#232f3e;display:flex;align-items:center;flex-direction:column}.header div.container{max-width:700px;width:100%;padding:10px;color:#fff;display:flex;justify-content:space-between;align-items:center}.header .logo{display:flex;align-items:center}.header .logo img{height:2rem;width:auto;margin-right:10px}.header nav a{color:#fff;text-decoration:none;font-size:1rem}.header nav a:hover{text-decoration:underline}main{display:flex;flex-direction:column;align-items:center;flex:1}section{max-width:700px;width:100%}.book-details{background-color:#fff;padding:20px;margin:20px;border-radius:4px;box-shadow:0 2px 5px rgba(0,0,0,.2)}.book-details h1{color:#0076ce;font-size:1.8rem;margin-bottom:0;margin-top:0}.book-details span{color:#535353;font-size:.9rem}.brief-description{font-size:1rem;line-height:1.5;margin-bottom:10px}.book-table{width:100%;border-collapse:collapse;margin-bottom:20px}.book-table caption{font-weight:700;font-size:1.2rem;margin-bottom:10px}.book-table th,.book-table td{padding:6px 15px;border:none}.book-table td:first-child{font-weight:700}a{color:#007185;text-decoration:none}a:hover{text-decoration:underline}.btn-container{display:flex;align-items:center}.amazon-btn{padding:10px 20px;background-color:#f90;color:#111;text-transform:uppercase;font-weight:700;border:none;border-radius:4px;cursor:pointer;margin:0 auto}.amazon-btn:hover{background-color:#e68a00}footer{background-color:#232f3e;color:#fff;text-align:center;padding:10px;margin-top:20px}.search-bar{margin-bottom:20px;margin-top:10px;display:flex;justify-content:flex-start}.search-bar input{padding:10px;font-size:1rem;border:1px solid #ddd;border-radius:4px;width:80%}.search-bar button{padding:10px 15px;background-color:#f90;color:#111;font-weight:700;border:none;border-radius:4px;margin-left:10px;cursor:pointer}.search-bar button:hover{background-color:#e68a00}.book-list{list-style-type:none;padding:0}.book-list li{margin-bottom:15px}.book-list li a{text-decoration:none;font-size:1.1rem;color:#0076ce}.book-list li a:hover{text-decoration:underline}@media(max-width:600px){.book-details{margin:10px;padding:15px}.book-details h1{font-size:1.5rem}.book-table th,.book-table td{padding:10px;font-size:.9rem}.amazon-btn{text-align:center}}