@media screen and (max-width: 768px){
  .lessonList2 {
    width: 100%;
    display: initial;
  }
  
  .lessonList2 h3{
    font-size: 18px;
  }

  .lessonList_box {
    width: 100%;
    margin-bottom: 2rem;
  }

  .lessonList h1 {
    font-size: 22px;
    padding: 0.5rem 0 0.5rem 1rem;
    margin-top: 2rem;
    font-weight: 800;
  }
}