.course-description {
  padding: 15px 0 0 10px;
}
.course-description .course-description-li {
  margin-top: 20px;
}
.course-description .course-description-li .course-title {
  font-size: 24px;
  font-weight: 700;
  color: #242424;
  cursor: pointer;
}
.course-description .course-description-li .course-list {
  margin-top: 18px;
  display: none;
}
.course-description .course-description-li .course-list .course-name {
  line-height: 32px;
  font-size: 19px;
  color: #4b4b4b;
  display: block;
}