.content-section {
    margin:2rem;
  }
  
  .sidebar-section {
    position: absolute;
    height: 100%;
    width: 100%;
  }
  
 
  .make-me-sticky {
    position: -webkit-sticky;
    position: sticky;
    top: 0;
    padding: 0 15px;
  }
  
  /* Ignore This, just coloring */
  body {
    background: #fff;
    
    height: 100%;
  }
  
  article {
    background: #f1f1f1;
    border-radius: 12px;
    padding: 25px 0 25px;
  }
  
  .title-section, .content-section, .sidebar-section {
    background: #fff;
  }
  
  .title-section {
    text-align: center;
    padding: 50px 15px;
    margin-bottom: 30px;
  }
  
  .content-section h2 {
    text-align: center;
    margin: 2rem;
    padding: 2rem;
    height: 100%;
  }
  
  .sidebar-item {
    text-align: center;
  }
  .sidebar-item h3 {
    max-width: 100%;
    margin: 0 auto;
    padding: 1rem 0 1rem;
    border-bottom: solid 1px #fff;
  }

#article {
    background-color: #333;
}

.list-group-item:disabled {
    text-decoration: line-through !important;
}