.popup {
  position: fixed;
  right: 20px;
  bottom: 20px;
  background-color: #145c38;
  color: white;
  padding: 10px;
  text-align: center;
  text-transform: uppercase;

  box-shadow: 3px 3px 10px 0px black;
}

.popup div {
  margin-bottom: 5px;
}

.popup button {
  margin: 3px 5px;
  background-color: white;
  text-transform: uppercase;
  border: 0;
  padding: 3px 5px;
  cursor: pointer;
}