/* CSS Document */
body, html {
margin:0px;
padding:0px;
text-align:center; 
}
#clear {clear:both; float: none;}

.book{ width: 777px; height: 428px; }
  .book_str_1{height: 30px; width: 777px;}
    .str1_1{ height: 30px; width: 139px; float: left;}
    .str1_2{ height: 30px; width: 121px; float: left;}
    .str1_3{ height: 30px; width: 142px; float: left;}
    .str1_4{ height: 30px; width: 156px; float: left;}
    .str1_5{ height: 30px; width: 43px; float: left;}
    .str1_6{ height: 30px; width: 176px; float: left;}

  .book_str_2{height: 89px; width: 777px;}
    .str2_1{ height: 89px; width: 139px; float: left;}
    .str2_2{ height: 89px; width: 121px; float: left;}
    .str2_3{ height: 89px; width: 142px; float: left;}
    .str2_4{ height: 89px; width: 156px; float: left;}
    .str2_5{ height: 89px; width: 43px; float: left;}
    .str2_6{ height: 89px; width: 176px; float: left;}

  .book_str_3{height: 171px; width: 777px;}
    .str3_1{ height: 171px; width: 139px; float: left;}
    .str3_2{ height: 171px; width: 121px; float: left;}
    .str3_3{ height: 171px; width: 142px; float: left;}
    .str3_4{ height: 171px; width: 156px; float: left;}
    .str3_5{ height: 171px; width: 43px; float: left;}
    .str3_6{ height: 171px; width: 176px; float: left;}

  .book_str_4{height: 78px; width: 777px;}
    .str4_1{ height: 78px; width: 139px; float: left;}
    .str4_2{ height: 78px; width: 121px; float: left;}
    .str4_3{ height: 78px; width: 142px; float: left;}
    .str4_4{ height: 78px; width: 156px; float: left;}
    .str4_5{ height: 78px; width: 43px; float: left;}
    .str4_6{ height: 78px; width: 176px; float: left;}

  .book_str_5{height: 60px; width: 777px;}
    .str5_1{ height: 60px; width: 139px; float: left;}
    .str5_2{ height: 60px; width: 121px; float: left;}
    .str5_3{ height: 60px; width: 142px; float: left;}
    .str5_4{ height: 60px; width: 156px; float: left;}
    .str5_5{ height: 60px; width: 43px; float: left;}
    .str5_6{ height: 60px; width: 176px; float: left;}

.book img {vertical-align:bottom;}