#facebook-fab {
  position: fixed;
  right: 0;
  top: calc(40% + 240px); /* Unter dem Discord-Fab */
  width: 50px;
  height: 50px;
  background: #1877F2; /* Facebook-Blau */
  color: white;
  border-radius: 50%;
  font-size: 1.6rem;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0,0,0,0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100000;
  user-select: none;
  transition: background 0.2s, color 0.2s;
}

#facebook-fab i {
  font-size: 1.6rem;
}

#facebook-fab:hover,
#facebook-fab:focus {
  background: #0F5DC8; /* Dunkleres Blau */
  outline: none;
}