#header { background-image: url(Default_01.jpg);}

.lessonul { padding: 5px 0px; margin: 0px; }
.lessonul li a.book { background-position: left center; background-image: url(book.gif); background-repeat: no-repeat; padding-left: 16px; }
.dotul { padding: 5px 0px; margin: 0px; }
.dotul li a.divider { background-position: left center; background-image: url(divider[1].gif); background-repeat: no-repeat; padding-left: 16px; }

.Default_05 { background-image: url(Default_05.jpg); }
.Default_06 { background-image: url(Default_06.jpg); }
.Default_07 { background-image: url(Default_07.jpg); }
.Default_08 { background-image: url(Default_08.jpg); }
.Default_09 { background-image: url(Default_09.jpg); }
.Default_11 { background-image: url(Default_11.jpg); }
.Default_12 { background-image: url(Default_12.jpg); }
.Default_13 { background-image: url(Default_13.jpg); }

.LB_05 { background-image: url(LB_05.jpg); }
.LB_07 { background-image: url(LB_07.jpg); }

.dian { background-image: url(dian.jpg); }

.LB_ClassBT a { border-style: solid; border-width: 0px 1px 1px 1px; border-color: #AAC7E9; background-image: url(LB_ClassBT.jpg); text-align: center; padding: 5px 10px; display: block; text-decoration: none; font-weight: bold; }
.LB_ClassBT a:hover { background-image: url(LB_04.jpg); color:#fff; }