/* Scroll-to-top button */
#topButton {
  display: none;
  position: fixed;
  bottom: 20px;
  right: 30px;
  z-index: 99;
  border: none;
  outline: none;
  background-color: #096feb;
  color: #FFFFFF;
  cursor: pointer;
  padding: 15px;
  border-radius: 4px;
}

#topButton:hover {
  background-color: #667990;
}

/* Download button */
.btn {
  background-color: #096feb;
  border: none;
  color: white;
  padding: 8px 12px;
  cursor: pointer;
  font-size: 16px;
  border-radius: 8px;
}

.btn:hover {
  background-color: #667990;
}

/* Publications list spacing */
.publications-list li {
  margin: 50px 0;
}

/* Center images in content */
.post-content img {
  display: block;
  margin-left: auto;
  margin-right: auto;
}