.group_description_block.bottom {
  font-family: Arial, sans-serif;
  max-width: 100%;
  margin: 20px;
}

#right_block_ajax > div > div.group_description_block.bottom > div > p:nth-child(2) {
  display: -webkit-box;
  -webkit-line-clamp: 3; /* Количество видимых строк */
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.5;
  margin-bottom: 10px;
  transition: all 0.4s ease;
}

.text-container.expanded .truncate-text {
  -webkit-line-clamp: unset;
  max-height: none;
}

.toggle-btn {
  background: #4CAF50;
  color: white;
  border: none;
  padding: 10px 16px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 14px;
  transition: background-color 0.3s ease;
}

.toggle-btn:hover {
  background: #3e8e41;
}

.toggle-btn:focus {
  outline: 2px solid #4CAF50;
  outline-offset: 2px;
}