1<div class="bookshelf_wrapper">
2 <ul class="books_list">
3 <li class="book_item first"></li>
4 <li class="book_item second"></li>
5 <li class="book_item third"></li>
6 <li class="book_item fourth"></li>
7 <li class="book_item fifth"></li>
8 <li class="book_item sixth"></li>
9 </ul>
10 <div class="shelf"></div>
11</div>