.all-books-page{max-width:1200px;margin:0 auto;padding:2rem 1rem}.page-header{text-align:center;margin-bottom:1.5rem}.page-header h1{color:#fff;text-shadow:0 2px 4px #0000004d;margin-top:.25rem;margin-bottom:.5rem;font-size:2.5rem;font-weight:700}.page-header p{color:#e0e0e0;text-shadow:0 1px 2px #0000004d;max-width:600px;margin:0 auto;font-size:1.1rem}.ad-banner{z-index:1;margin-top:101px;margin-bottom:1rem;position:relative}@media (max-width:768px){.all-books-page{padding:1rem}.page-header h1{font-size:2rem}.page-header p{font-size:1rem}.page-header{margin-bottom:1rem}}@media (max-width:480px){.page-header h1{font-size:1.8rem}.page-header{margin-bottom:2rem}}