.books_main-container{width:100%;max-width:1200px;display:flex;align-items:center;justify-content:center;flex-direction:column;margin:0 auto}.book_name_container{width:100%;margin-top:30px;background-color:#fff;color:#666;padding:20px;border:0;border-radius:5px}.container_down{width:100%;display:flex;justify-content:center;flex-wrap:wrap}.chapter_container{width:100%;margin-top:10px;background-color:#fff;color:#666;padding:12px;border:0;border-radius:5px}.book_des{margin-top:15px}.chapter_name_eng,.order_number{font-size:20px;color:#5f9999}.chapter_name_eng{margin-left:20px}.chapter_name_container{width:800px;display:flex;justify-content:space-between}.page_number{width:200px;display:flex;gap:15px;margin-left:50px}.end_page,.start_page{font-size:20px}.chapter_container a{color:#5f9999;cursor:pointer}@media only screen and (max-width:1258px){.container_books{display:flex;justify-content:center;align-items:center;margin-left:15px}.chapter_container{margin-left:15px}.books_main-container{max-width:1024px}}@media only screen and (max-width:1092px){.page_number{margin-left:0}.books_main-container{max-width:950px}}@media only screen and (max-width:950px){.chapter_name_container{width:600px}.books_main-container{max-width:800px}}@media only screen and (max-width:768px){.books_main-container{max-width:650px}}@media only screen and (max-width:426px){.books_main-container{max-width:390px}.chapter_name_container{width:380px}}@media only screen and (max-width:376px){.chapter_name_container{width:300px}}@media only screen and (max-width:320px){.books_main-container{max-width:250px}.book_name_container{display:flex;flex-direction:column}}