.btn:hover {
  color: var(--bs-black);
  background-color: #d9536e;
}

.btn {
  background: var(--bs-primary);
  padding: 10px;
  min-width: 150px;
  font-size: 14px;
  border-radius: 7px;
}

#myBtn {
  display: none;
  position: fixed;
  bottom: 20px;
  right: 25px;
  z-index: 99;
  border: none;
  outline: none;
  background-color: rgba(255,0,0,0);
  color: white;
  cursor: pointer;
  padding: 10px;
  border-radius: 10px;
  font-size: 18px;
}

#myBtn:hover {
  background-color: rgba(85,85,85,0.52);
}