#navCourse { 
  width: 450px;
  padding-left: 20px;
  float: left;
  height: 1000px;
}

#navCourse .navChapter {
    padding: 4px 0;
    color: #000;
}

#navCourse .navChapter0 {
    padding: 4px 0;
    color: #000;
    font-weight: bold;
}

.navChapter0 A, .navChapter A {
    color: #1b67bd;
}

.navChapter0 A {
    font-weight: bold;
}

#navCourse .chapterNo {
    display: inline;
    color: #b2000a;
    padding-right: 10px;
}

#navCourse .sign {
    padding-right: 6px;
    vertical-align: middle;
}