.chat-btn {
  position: fixed;
  bottom: 80px;
  right: 75px;
  width: 50px;
  height: 50px;
  background-color: #FF0052;   /* round background color */
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.25);
  transition: all 0.3s ease;
  z-index: 999;
}

.chat-btn i {
  color: #fff;                 /* white icon */
  font-size: 28px;             /* adjust size of the icon */
}

.chat-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3);
}

.chat-btn:focus {
  outline: none;
}

/* For tablets and smaller screens */
@media (max-width: 1199px) {
  .chat-btn {
    bottom: 105px;
    right: 35px;
    width: 50px;
    height: 50px;
  }
}

/* For mobile */
@media (max-width: 768px) {
  .chat-btn {
    bottom: 90px;
    right: 20px;
    width: 50px;
    height: 50px;
  }
}