.fab {
  display: none;
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  border: none;
  background: linear-gradient(45deg, #3B82F6, #22C55E);
  color: #fff;
  font-size: 28px;
  cursor: grab;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  transition: transform 0.2s ease;
  z-index: 99999;
}

.fab:active {
  cursor: grabbing;
  transform: scale(0.95);
}

@media screen and(min-width:769px) {
  .fab {
    display: none;
  }
}

@media screen and (max-width: 768px) {
  .fab {
    display: block;
  }
}