body {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  max-width: 900px;
  margin: 0 auto;
  padding: 20px;
}
li {
  list-style: none;
}
#markdown-content {
  margin-top: 20px;
  padding: 20px;
  border: 1px solid #ddd;
  border-radius: 4px;
  background-color: #f9f9f9;
}
a.markdown-link {
  color: #0066cc;
  cursor: pointer;
  text-decoration: underline;
}
a.markdown-link:hover {
  color: #0052a3;
}
.read-more-btn {
  background-color: #0066cc;
  color: white;
  border: none;
  padding: 8px 16px;
  margin-top: 10px;
  cursor: pointer;
  border-radius: 4px;
  font-size: 14px;
}
.read-more-btn:hover {
  background-color: #0052a3;
}
.modal {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.4);
  overflow-y: auto;
}
.modal-content {
  background-color: #f4f4f4;
  margin: 5% auto;
  padding: 20px;
  border: 1px solid #888;
  border-radius: 4px;
  width: 80%;
  max-width: 900px;
  max-height: 80vh;
  overflow-y: auto;
}
.close-btn {
  color: #aaa;
  float: right;
  font-size: 28px;
  font-weight: bold;
  cursor: pointer;
}
.close-btn:hover,
.close-btn:focus {
  color: #000;
}