#lesson-list {
  list-style-type: none;
  padding: 0;
  margin: 0;
  height: 600px;
  overflow-y: auto;
  border: 1px solid #ccc;
}

#lesson-list li {
  padding: 10px;
  border-bottom: 1px solid #eee;
}

#lesson-list li:last-child {
  border-bottom: none;
}

#lesson-Blog {
  padding: 0;
  margin: 0;
  height: 600px;
  overflow-y: auto;
  border: 1px solid #ccc;
}