#messenger-btn {
  height: 80px;
  width: 80px;
  background-color: #224879;
  border: none;
  color: white;
  text-align: center;
  text-decoration: none;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  font-size: 20px;
  font-weight: bold;
  border-radius: 50%;
  position: fixed;
  bottom: 20px;
  right: 20px;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0px 4px 10px rgba(0, 0, 0, 0.3);
  z-index: 99;
}

#messenger-btn:hover {
  background-color: #224879;
  box-shadow: 0px 8px 20px rgba(0, 0, 0, 0.3);
}

#messenger-btn:active {
  background-color: #005cbf;
  box-shadow: none;
  transform: translateY(2px);
}

#messenger-btn .btn-icon-container {
  height: 80px;
  width: 80px;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
}

#messenger-btn img {
  height: auto;
  max-height: 100%;
  display: block;
}