.modal {
 max-width: 800px;
}

.center {
  display: flex;
  justify-content: center;
  align-items: center;
}

.button {
  background-color: #4CAF50; /* Green */
  border: none;
  color: white;
  padding: 10px 32px;
  text-align: center;
  text-decoration: none;
  display: inline-block;
  font-size: 16px;
  margin-bottom: 10px;
}