.pbma-posts-by-month {
  margin: 20px 0;
}

.pbma-post-list {
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.4s ease;
  display: block;
  margin: 0;
  padding-left: 20px;
  list-style-type: disc;
}

.pbma-month-title {
  cursor: pointer;
  font-weight: bold;
  background: #f9f9f9;
  padding: 10px;
  margin: 5px 0;
  transition: background 0.3s ease;
  border-left: 4px solid transparent;
}

.pbma-month-title:hover {
  background: #e9e9e9;
}

.pbma-post-list li {
  list-style: disc;
  margin: 5px 0;
}