.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 99999;
}

.modal-content {
  font-family: sans-serif;
  background-color: #fefefe;
  padding: 6px 20px 20px;  
  position: fixed;
  bottom: 40px;
  left: 38px;
}

.btn {
  padding: 10px;
}