.follow-up-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: none;
  background-color: #5b9bd5;
  box-shadow: 0 2px 8px rgba(0,0,0,0.25);
  cursor: pointer;
  position: absolute;
  top: 2px; /* slightly lower in a 40px bar */
  transition: transform 0.15s ease,
              background-color 0.2s ease,
              box-shadow 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
}

.follow-up-btn .material-icons {
  font-size: 20px;
}

.follow-up-btn:hover {
  background-color: #4a8bc2;
  transform: scale(1.15);
  box-shadow: 0 4px 12px rgba(0,0,0,0.35);
}

.follow-up-btn:active {
  transform: scale(1.05);
}

.follow-up-btn-container {
  height: 40px;
}